MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document functions as a link farm, containing numerous URLs that point to external websites, some of which are hosted on compromised CMS platforms. This suggests a phishing or redirection attack, aiming to lure users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://aiskreunion.com/clients/b/b4/b417c2091670ce0b0d78f4b231aea02c/File/matonazuf.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/f09d43920cbbc71803d34e03bbabd802/sedafopupodumorexaj.pdf
- http://o2ashop.com/ckfinder/userfiles/files/motosujiki.pdf
- https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074db877d053---77599749234.pdf
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/67ba45cc284f6030022d25963e6cc423/42902430018.pdf
- http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/rezajavavos.pdf
- http://hoadon-dientu.net/images/files/zuxuwigidekipepek.pdf
- http://ronaldtan.nl/images/photo/kepuvezetidimorajesibe.pdf
- https://assistenza-termica.it/file/rulizapixubexoru.pdf
- http://romanakladatelstvi.cz/userfiles/file/wowateximajitokagu.pdf
- https://study4student.com/cache/fck_files/file/lukojokemuvojeg.pdf
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/cmgotn501f2d6kspgtk67d3skd/7566833995.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607713919b8d3---mixamivosid.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/ac37293c80c7845c275fd162340c1d0d/wotidoxet.pdf
- http://phuwangnam.com/user_file/file/xizexidifu.pdf
- https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/aacf14fdbcc18391819b1f74ac4ca2ee/28579111521.pdf
- https://smallislandcurry.com/wp-content/plugins/super-forms/uploads/php/files/c04f5f1de8a175c63303eec275685f38/83680663890.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ba5a7c4783---xulebat.pdf
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/daa00a36a5a012d156b43cd93e702e66/dedoba.pdf
- http://primebrokeragetx.com/ckfinder/userfiles/files/ramokezakenunozata.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608752ec0e254---xipudena.pdf
- https://ahreco.com/uploads/news_file/goxazeganusibavowifoxafim.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=null+hypothesis+format
- 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_off0000f046.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF046 | 16792 bytes |
font_01_sfnt_off00010858.bincc8cf7dabc01c6b90a524f5a624e36738607d902ed3fae0802ae72a729bdbccd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10858 | 16904 bytes |
font_02_sfnt_off00013490.binb786969f635da03d85eb45e4e9c9b75573a09d38204d96d914e1c2a59b918595 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13490 | 10708 bytes |
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