MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites. These links likely serve as a lure to redirect users to malicious content or phishing pages. No scripts were extracted, and the document body was unreadable, limiting further analysis of the specific payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9944
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://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a798e828a5f---morigumoku.pdf In PDF document text
- https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16074bae3812d3---sefemolubiwunimuv.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/3oikuph2tb6dn9uvaqap4eoi4v/4292421350.pdfIn PDF document text
- http://flexa.cz/docs/file/83739043777.pdfIn PDF document text
- http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1607060a3c0f44---juropubenu.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070ce1e858a6---ximarigozelom.pdfIn PDF document text
- http://flirdining.com/uploads/files/60113400488.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/uedrcoog4ue18e2sl24tvvjfn0/83765684284.pdfIn PDF document text
- http://ipceurope.eu/assets/file/budewovawedijejuzo.pdfIn PDF document text
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/t9rg66st7f8n9p84edvsutudfb/70788671614.pdfIn PDF document text
- https://muguet.fr/sites/default/files/file/tewuvatiwalixogukamoxal.pdfIn PDF document text
- https://mttrasportisrl.it/dati/upload/file/nugavuwetumizigapugi.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8dae39010---6345843057.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/lr30t79fv30hs74k3c99kmqvud/roruxidenofonorimenefowo.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/mbtk4peenp8vrl4tovia0k5vmk/vaguvidifatojuw.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/b8d1af63d40a040233ee149cb3910cc8/9591061445.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d76664a18---fobata.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/9541a26eee59491fe820915f24ede6ef/90497403331.pdfIn PDF document text
- https://chaletsuenodesol.de/files/leraxo.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f21457130b---lexugomukapoti.pdfIn PDF document text
- https://eobliecky.sk/userfiles/file/gogidutusixifozo.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160838fc42d000---kupumilegiro.pdfIn PDF document text
- http://ngocvietbungalow.com/upload/files/disewitodugipewim.pdfIn PDF document text
- http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608091ec6fb1d---wejaxiregekefubufeweku.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=but+too+latePDF 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_off00019936.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19936 | 21168 bytes |
SHA-256: be2f297683847d1d9bb3c0347b54be2d0f8a9dc392fc81754ec705d45c00d1e7 |
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font_01_sfnt_off0001cef6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1CEF6 | 9788 bytes |
SHA-256: 15621d7203741bbdc0319121a37d576b3b29393c4a0ff25489f48d1f4d222471 |
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font_02_sfnt_off0001e498.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E498 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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