MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics indicate the PDF functions as a link farm, with numerous URLs pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the PDF structure itself is designed to lure users to external, potentially malicious, sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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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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://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac4d817f775---dizosogafufalaperi.pdf In PDF document text
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ece1f29275---61264241144.pdfIn PDF document text
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a9da0a20d54---22697805867.pdfIn PDF document text
- http://onlinemidias.com/ckfinder/userfiles/files/xuzenuvi.pdfIn PDF document text
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/92447e7d93ea1d3ca4cfed339589d745/71093114909.pdfIn PDF document text
- https://zlataraburmevuckovic.com//files/31621090035.pdfIn PDF document text
- http://www.kroonzuivel.nl/ckfinder/userfiles/files/velidaruweso.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/18418d1a82627ede8f75d45e31660db4/81425383046.pdfIn PDF document text
- http://zkojicin.cz/userfiles/file/72965801752.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160749f3a76851---9038463948.pdfIn PDF document text
- https://pankalconstructora.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086095e029f0---32779387480.pdfIn PDF document text
- http://sahamit.net/userfiles/file/66115525935.pdfIn PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/38215568809.pdfIn PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/sqrug86e5tljsss30075cfk6ap/63955511347.pdfIn PDF document text
- http://lagunaapartman.hu/images/user/file/72345749447.pdfIn PDF document text
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608545ac3cdff---89196563410.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1608c34690f5a5---80705680689.pdfIn PDF document text
- https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/532938704283ce59c93263103d1df4c4/vabisupifisimog.pdfIn PDF document text
- http://medizator.ru/ckfinder/userfiles/files/40620978326.pdfIn PDF document text
- https://biogenetixpharma.com/ci/userfiles/files/29798914216.pdfIn PDF document text
- http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/bc7a84a7318c1464a26c539616e65f1d/93573348862.pdfIn PDF document text
- https://shayangroup.net/wp-content/plugins/super-forms/uploads/php/files/2bf1c82ab5a85607a6d9743fe24c1de0/maraposubemusakuji.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609e832292e48---47253441285.pdfIn PDF document text
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/33e12e3397f8e699f5f9eef7db8a22b3/61925367642.pdfIn PDF document text
- http://zelene-centrum.cz/webpagebuilder/ckfinder/userfiles/files/19181363677.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=lista+de+verbos+irregulares+en+espa%C3%B1ol+conjugados+pdfPDF 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_off0000f812.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF812 | 20516 bytes |
SHA-256: e6bed5d423c9bbb043a115b756fda543ccba180dfc91ead65fe09222cbc9e2f7 |
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font_01_sfnt_off00012c76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C76 | 11396 bytes |
SHA-256: 3f38e4fa06591a48315755400c42a43def6907522bd4e610a428c4d6aa6d2a28 |
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font_02_sfnt_off000146c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146C0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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