MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised websites and disposable hosting, indicating a link farm designed to redirect users to malicious content. ClamAV and ML classifiers flagged this PDF as malicious, specifically as a phishing or trojan delivery mechanism. While no scripts were directly extracted, the nature of the links suggests an intent to lure users to external sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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://ohadalegistrocbarter.com/ckeditor/uploads/files/36857288245.pdf
- https://ipic.vn/userfiles/file/26677795123.pdf
- https://rolcsi-bau.hu/userfiles/files/pexemelozedopefa.pdf
- http://interroadholland.nl/userfiles/file/wabolovokutixerul.pdf
- http://pincailight.com/zk/UploadFile/file/2021090412311173499.pdf
- http://j1medical.com/uploaded/file/wogojatonaduzavuxeg.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16141660e8d8b0---babujijelijizojowiler.pdf
- http://eltdb.com/UserFiles/files/6004396451.pdf
- http://jarosi.hu/files/file/futorasutipelifivomejunub.pdf
- https://turdv.ru/SITE/files/editor/file/23355668493.pdf
- https://esprimagroup.com/userfiles/file/pagupudako.pdf
- http://drivetripper.com/userfiles2020/files/neworavadow.pdf
- https://media-get.ru/userfiles/files/kirufileririludajawapadi.pdf
- http://jmdfhjl.com/fckeditor/userimages/file/7143349277.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/4baea35660fae26342102624b7c5df68/woxelazufonimuliravosu.pdf
- https://ginecologmuresan.ro/ckfinder/userfiles/files/54642070668.pdf
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/amh0lmcafvbqgds1gtfe2jaf96/51286922554.pdf
- http://tivati.com/uploads/userfiles/file/rujomudetobovogepipitudog.pdf
- https://robindayne.com/ckfinder/userfiles/files/nivapafugisameninopale.pdf
- http://bitite.lv/media/txt/122/file/puveleruzesefolutusuze.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/91b10c0d352c0cd91c9b955b4306842b/95635249151.pdf
- http://knowleangling.co.uk/ckfinder/userfiles/files/vavukokurekafejixego.pdf
- http://chapelguild.com/images/usr/xedivubi.pdf
- https://ncsccalgary.com/userfiles/files/21722224188.pdf
- http://austria-ex.com/images/blog/file/nugejetudizofebitesudiv.pdf
- http://silver.jo/ckfinder/blanc/files/65123434587.pdf
- https://wendi101.com/userfiles/file/60225756111.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=batman+the+dark+knight+rises+download+for+android
- 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_off0000cd52.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD52 | 16792 bytes |
font_01_sfnt_off0000e564.bin9ef3a14015a244fec3a4675fcc188ea611cb7e437ce97a7f9bc4bdd727ce4d17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE564 | 17996 bytes |
font_02_sfnt_off0001134a.bin03eb770a2c127f7648b5017428f254c3292c3b720b3a3f3ff1e8aa6f9f40fd73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1134A | 11032 bytes |
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