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. It contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The presence of external URIs and link farm heuristics indicates an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160846a51c60b8---77581073012.pdf
- http://caythuocnam.org/images/files/65486993774.pdf
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/8bf142590484cdb9d096c87c96ba6430/laxufomorituwuwiwawoz.pdf
- https://vizzzio.ru/wp-content/plugins/super-forms/uploads/php/files/0a595481ff951637bb3cb2bd72ef080d/69075157129.pdf
- http://leoclubmarsala.it/userfiles/files/22979203022.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607708d322ed2---rasejexowidilu.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf64c27f665---dariranodonizemupa.pdf
- http://rufullthrottle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ffcdee9412---sukirubisu.pdf
- http://auxerretv.com/content/public/file/90213677501.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/4e4ad7e14407954e0db0e6fe0db7e1e2/mofuvev.pdf
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e021f1b238---sexujazozaku.pdf
- http://volamtuyetthe.com/userfiles/file/kowawaga.pdf
- http://onishi-kyosendo.jp/archive/97037127508.pdf
- http://ruben.pl/ckfinder/userfiles/files/kirir.pdf
- https://33mobility.net/uploads/files/foduneja.pdf
- http://orderkai.com/uploads/files/wezuroxuvapiwuwazejesimuj.pdf
- http://slsnn.ru/content/file/xiregujagefozipawezuvof.pdf
- https://led7.ru/file/jawuvolugizoxujop.pdf
- http://golfvillageonline.com/userfiles/file/dibuxuz.pdf
- http://alphasigmaoverseas.com/userfiles/file/nekaxonimoxenipixumidel.pdf
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e43270c539---32195563276.pdf
- http://china-engine.net/ckfinder/userfiles/files/49665898901.pdf
- https://dbmotorbrokers.com/userfiles/file/sizojakebopegawomizaxem.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=a+teacher%27s+resume+sample
- 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_off0000db46.bin2106ffb6f66f29b25cd04cd033810dade5fa09c134adcb46545fd42d33ad502a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB46 | 16704 bytes |
font_01_sfnt_off000106a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106A0 | 16792 bytes |
font_02_sfnt_off00011eb7.bin99eed3de93cb1c02e0279931ffcfdb8670667517a8d3147c49e768f4846ba78a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EB7 | 10436 bytes |
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