MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is a PDF identified as malicious by ClamAV and an ML classifier. It contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a link farm designed to redirect users to potentially malicious content. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a non-clustered link farm on disposable hosting.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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 https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/c0406623a4ebdeb3a20ff462de5f11a8/76970660565.pdf
- http://mbcasc.net/imgs/file/17160052131.pdf
- https://www.ergunaygoren.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bea9245824---lafomuberebufibuximij.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608fcbb9cb96a---wefatuzetenapobakabiw.pdf
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/051723b91ce2ad5c7d0b6b1da628da8e/46503039176.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1609b80ca5b489---3639606570.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16091653b95e3c---nojixufitepabepikura.pdf
- http://archerelectricsupply.com/userfiles/file/vusoje.pdf
- https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/cvdhd41mbu0iro04v1nahjsalu/13161660734.pdf
- https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/6af154df2e9355b69c58f5e44233bb7e/sawezibade.pdf
- http://ersatzmonitor.de/userfiles/file/sojezex.pdf
- https://anmimar.com/royal/userfiles/file/boxederutulajefutupa.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607e118bbe135---61192626230.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/c7outrijpnrd1d7ma3eoeqt3ad/mabekupolororexi.pdf
- http://boschvietnam.vn/files/usersfiles/files/43608935265.pdf
- http://nutronicltd.com/userfiles/file/18931311493.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160897d3014e3b---43766884286.pdf
- https://solidpractise.com/files/userfiles/file/timizesurepi.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16087ff10d6ed9---55592110319.pdf
- http://kccmaul.com/files/files/82975435695.pdf
- http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c8965767cb---nelogutewotamevaw.pdf
- http://perlawarmii.pl/userfiles/file/89369572506.pdf
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/6794e780570887342a898c08f9c28a37/magizawojo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=fallacy+of+a+single+cause
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014acb.bin5dce9d4efaa3229816eab081e51b9771731fb3dd040d208582c8f1893ea5d973 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14ACB | 10504 bytes |
font_01_sfnt_off000162d8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x162D8 | 16792 bytes |
font_02_sfnt_off00017aea.bin51d123a005feaf8e1f3a89eb15d50fef1c6400a8bd52681cd731c6f652a96d5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17AEA | 17296 bytes |
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