MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a link farm pointing to compromised hosting, suggesting an attempt to trick users into downloading a password-protected archive. The presence of embedded JavaScript indicates potential for malicious actions, such as downloading further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9910
Heuristics 8
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/becd5b73e845ad5fd9145be234d6f6ba/vajugegominexesolotanan.pdf In PDF document text
- http://filatelianumismaticaumbra.it/userfiles/file/2649341824.pdfIn PDF document text
- http://autowagon.it/userfiles/files/mopadejirupeweluweroga.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/ka5b1ehsjucqiudjn1mp7kvrri/7709977229.pdfIn PDF document text
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d341e57656---8949107774.pdfIn PDF document text
- http://giasuthanhdat.vn/Images_upload/files/liwelumafufagorenikiw.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/v3l6bi8jkd578t76cud3v58fmb/21868593186.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/jmiup7p3gqvg3896unklap3u5c/6424177014.pdfIn PDF document text
- https://eyetracking.pl/userfiles/file/84025172324.pdfIn PDF document text
- http://kinel-hunter.ru/upfiles/file/11736428715.pdfIn PDF document text
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/0f1dd8dca599d29f90897c78694b99fe/nokizutupobugumi.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f6817005660---xezilutatowojeko.pdfIn PDF document text
- https://topupdana.com/contents//files/tarofuv.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/0tumh9alt4u3s065duodnmd0nf/fudepuxolevuwaxajetogakeg.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3a7b0d1415---zisizajurenetixalawa.pdfIn PDF document text
- http://usaoxin.com/userfiles/2021-6/file/lomibivazedif.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/es5r3apl1qmojmc8groivfs7ak/37743472312.pdfIn PDF document text
- http://malabarisproducoes.com/arquivos/files/botuwesedim.pdfIn PDF document text
- http://laweasy.kr/userfiles/file/28166090864.pdfIn PDF document text
- https://tadimtursu.com/image/files/tokoponojab.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f4eb6237095---372223161.pdfIn PDF document text
- https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/e182baa1981f94f655843f4390474601/mutejubajofij.pdfIn PDF document text
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/aeb31d5ec23686319081f5f0933a169f/11527416501.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/cjsbckhgjubji6ngion1v9par0/dofinukexev.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160719bbc7a8ec---niwufasubuxewijonosazaw.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/69a2066655fbaa2aa8ebc59325bf17a5/39505728510.pdfIn PDF document text
- http://stepasidemedical.com/images/uploads/file/sabux.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c64c4a3ce90---35992424901.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=introduction+to+heat+transfer+6th+edition+solution+manual+freePDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off0000eb1a.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0xEB1A | 20672 bytes |
SHA-256: 151fe55251e190cbbdb1a34aed1a1707063edacad1216b8d1f182f973be73f7c |
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font_01_sfnt_off00010e0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E0E | 10960 bytes |
SHA-256: e40f4c209aa371157f86495176cd9fd0be8f1b5e06f4b175b0f4cc9defcb9a1b |
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font_02_sfnt_off00012744.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12744 | 16272 bytes |
SHA-256: 5040a95492de0c47fdd8e47a4d65cb22b6f4b8e1d2e0fda19df13ef03ee973f0 |
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font_03_sfnt_off00015182.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15182 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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