MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple domains, many of which are associated with hosting PDF files. The presence of a 'download button' heuristic and the ML classifier's high confidence score suggest a malicious intent to trick the user into downloading a payload. The ClamAV detection further supports this, identifying the file as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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 http://awards.nl/img/cms/file/57363719753.pdf In PDF document text
- https://markaoyun.com/calisma2/files/uploads/rorafixofutatirozizujebo.pdfIn PDF document text
- http://rigassprotes.lv/uploadz/file/kuzisutinijilugukasu.pdfIn PDF document text
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136954ab79c6---4999296466.pdfIn PDF document text
- https://harmony.im/userfiles/file/geroguta.pdfIn PDF document text
- https://sts-cct.com/app/webroot/userfiles/files/nekaxopivutedax.pdfIn PDF document text
- https://iva-vietnam.com/userfiles/file/86750805513.pdfIn PDF document text
- http://trivio.it/userfiles/files/95773095609.pdfIn PDF document text
- https://datawire.gr/files/files/99158853107.pdfIn PDF document text
- https://norservis.info/files/files/4229789071.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/japetinadiwikazuzapi.pdfIn PDF document text
- http://elturo.ru/img/upload/files/87108100515.pdfIn PDF document text
- http://getawaynewzealand.co.nz/wp-content/plugins/formcraft/file-upload/server/content/files/161323c98bd84f---mupufekolumuxub.pdfIn PDF document text
- https://juniorclublivorno.com/sitonews/images_upload/files/tetitizeg.pdfIn PDF document text
- http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/161356631219be---18771941211.pdfIn PDF document text
- https://haps.company/wp-content/plugins/super-forms/uploads/php/files/a2eb9e470c042725c6b2e68c9f5273a0/lopopisujo.pdfIn PDF document text
- https://amd-export.com/site/upload/file/96495870362.pdfIn PDF document text
- http://trust-law-firm.com/userfiles/file/20210906195521_1543581290.pdfIn PDF document text
- https://soudurelauziere.com/upload/editor/file/rukapodasadexufo.pdfIn PDF document text
- https://asiahealthcaredentalcentre.com/ckfinder/userfiles/files/9372174037.pdfIn PDF document text
- http://ardennes.proximeo.com/ckfinder/userfiles/files/91723476302.pdfIn PDF document text
- https://dreptultau.hotnews.md/upload/userfiles/files/45444224907.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=avatar+yify+torrentPDF 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d648.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD648 | 19076 bytes |
SHA-256: 91fda175bc171051ecd3811ec062c715e573d1fef7f9de4538407f931f42b639 |
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font_01_sfnt_off0001091e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1091E | 10152 bytes |
SHA-256: e3097a52abedf82d3740c95d4591f13b895161213cb6573628afb5fbe1af3aa6 |
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font_02_sfnt_off00012005.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12005 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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