MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, with many URLs pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. While no scripts were explicitly extracted, the nature of the links and the detection suggest it's designed to lure users to malicious content, likely as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/crvvnfn8488l9cp6kgp4963850/tisiner.pdf
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/233bf2b86cd394b4fdd986c1a0c9fb6a/8109289027.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d77c979f12c---91306837938.pdf
- http://hopkinshigh62.com/clients/7/77/7764523e397120ad9b09b1da26998858/File/bilebodixada.pdf
- http://kondicionery-krasnogorsk.ru/upload_picture/file/rutofuvusonakudasutibix.pdf
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/736opah0mi43ktubceba8j84rg/63364431288.pdf
- http://thuephotocopytaihanoi.com/upload/files/xesoziw.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160dde329b201d---ramixanukojorerajosulika.pdf
- https://ifacemount.com/wp-content/plugins/super-forms/uploads/php/files/o210jdrbk79vt09b92apat0pcs/77563027468.pdf
- http://singer-island-condos.com/userfiles/files/jitirativaliwisonus.pdf
- http://aire-limpio.com/img/editor/file/12913489027.pdf
- http://www.findvoters.com/userfiles/file/80159450452.pdf
- http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4cfa6d81dd---14186091488.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/222ce8a9e6a83049e0deef76621272d0/99432526178.pdf
- https://alarrabnews.com/images/content/content/file/fimusojizuminalureput.pdf
- http://ineke-ott.nl/keramiek-beelden-imagesfile/xajexonoragemagaxuv.pdf
- https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f3b5d01814---94972224627.pdf
- http://evola.it/userfiles/files/zovojuvosadelasefeji.pdf
- http://xenangheli.vn/public/files/topofitoga.pdf
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/0feeskc3cjvqoue1l1ego27oi7/zuxovugetifulifajaxibawiz.pdf
- https://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/21805cb50902b2c2de108a37ad2004f8/tudikalokagux.pdf
- http://monkey-do.net/userfiles/file/dazusabatufu.pdf
- https://ahreco.com/uploads/news_file/dufaji.pdf
- http://coimbrasoftware.hu/images/uploads/files/jizedavopu.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=will+be+carried+out
- 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_off0000eb2f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB2F | 16792 bytes |
font_01_sfnt_off00010346.bin72aaa8d4a97d490593499766e68d89d0aaf932cf51867b2927b05f8f43529920 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10346 | 10324 bytes |
font_02_sfnt_off00011aa7.binb9ef72aa4369a01a9630f9ec4624a96d67c7fa5f271c03ae621f1c4ddf366f5c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11AA7 | 16708 bytes |
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