MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://ytbozhuo.com/upload/file/151413306793.pdf In PDF document text
- http://pluimveebeurs.com/userfiles/file/138533825.pdfIn PDF document text
- http://aostavet.it/userfiles/files/lisikafuvakukilofeti.pdfIn PDF document text
- http://casavacanzesanvito.eu/userfiles/files/94465163931.pdfIn PDF document text
- https://ateliersmq.com/pevron/www/img/file/53996699929.pdfIn PDF document text
- http://mcserpenti.com/userfiles/file/borurog.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161448a6d4c92c---zilugug.pdfIn PDF document text
- http://sprinter-lab.ru/content/File/41908041915.pdfIn PDF document text
- https://lemonsport.sk/upload/file/93234041290.pdfIn PDF document text
- http://benthanhsgfarm.com/images/uploads/files/19638477933.pdfIn PDF document text
- http://upoart.com/ckfinder/userfiles/files/43815418342.pdfIn PDF document text
- http://yakutiaprime.ru/SITE/files/editor/file/vilivibugapemij.pdfIn PDF document text
- https://www.colline-eternelle.com/ckfinder/userfiles/files/vefavov.pdfIn PDF document text
- https://semsaesp.com/ckfinder/userfiles/files/97110628068.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/23921009827.pdfIn PDF document text
- http://alconsprom.ru/ckfinder/userfiles/files/jafifemivarax.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/15f02a2592e3cdcfadba601c54fad582/naxixunumeji.pdfIn PDF document text
- http://liga-stf.ru/i/upload/files/veworufepimogu.pdfIn PDF document text
- http://tongshengchem.com/ckfinder/userfiles/files/79979689267.pdfIn PDF document text
- https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/o01athu3j5u4m4ngr11s2janbd/46650240342.pdfIn PDF document text
- http://newkontakt.ru/userfiles/images/file/wixofuradoxuvoxowenax.pdfIn PDF document text
- http://felixefontesadvogados.com.br/ckfinder/userfiles/files/6089407705.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140735950c01---pasawozubo.pdfIn PDF document text
- https://unovosti.tv/ckfinder/userfiles/files/nurapanijunafefigixix.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=net+framework+win+7+ultimate+64+bitPDF 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_off0000c186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC186 | 10900 bytes |
SHA-256: d362b007d6837620155db3cf77da3d59be8e65f868716a89e4d60eb29e8968f4 |
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font_01_sfnt_off0000dae3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAE3 | 17560 bytes |
SHA-256: 5cc506e8e275f6a99a48380fda1f8933b7cfaf2f9e4590e4a62bed07c67d9600 |
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font_02_sfnt_off000108d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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