MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised WordPress upload directories and other disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The primary attack pattern involves luring users to these external, compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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://williamshudson.org/clients/3/35/35bf74ce48b5c120232fd40fb4fe3e45/File/46441810788.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b696ebdf84---powatexirekuruze.pdf
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/b75nlsimtflj38tfvd8nj1ei5l/zopuko.pdf
- https://kvartira-zalog.ru/wp-content/plugins/super-forms/uploads/php/files/335dce9738ddecec94caf1ddbff79878/kavevajixemovolu.pdf
- https://repare-ton-smartphone.com/userfiles/file/kifenotopan.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/f3c56de9bac76f2ed53836bd41c665ce/rafozepopuxepu.pdf
- http://glotecgh.com/upload/editor/file/15430142241.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/jm5036r5900oc8sgda98v6tpm2/piwonafera.pdf
- http://randalljroutson.com/clients/44711/File/gafivaji.pdf
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/227f87826051daa2bf4d50ac26d0b00d/97458872482.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/89a031f68fc86306f207e3cbe89debef/fepetapopidezu.pdf
- https://hgb.se/filer/file/34384560124.pdf
- http://accessiblevehicleservices.com/userfiles/file/82354466338.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b04751e66c---temet.pdf
- https://ecowaytechnologies.com/ckfinder/userfiles/files/togipivumuxujevijane.pdf
- http://penzionriverside.cz/files/file/jawupukapizavovaxamonibu.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/c20c0291d40e64d79048c812a9888478/bomobafogiguxoxugob.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b530641f1---tozegememujagubax.pdf
- https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/69f8ce8f7162ea218145bd03b9f29827/53862704538.pdf
- http://kamnitikamini.si/upload/files/87664024528.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608011e8316a8---64726664545.pdf
- http://ateliergermain.net/sites/default/files/file/13692973903.pdf
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/ad4064382b717261feb8e4713371901b/fuxobe.pdf
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160a26061d5bce---goloxa.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160edb7beacc8c---91376123663.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160760e5fe9b6b---vidiwumepejusobepivorik.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=planting+a+peach+pit
- 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_off0000f168.bin4f3373d3e888c751129edfe436962d0baef3d6a9e3ced19d419e37cdf61ae6bc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF168 | 10264 bytes |
font_01_sfnt_off0001085d.bindd585307fa1c0de89b41fb97b60ebc0ef5b51df5f38ef25ee04947587b6f108f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1085D | 16896 bytes |
font_02_sfnt_off00013477.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13477 | 16792 bytes |
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