MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs that point to compromised WordPress sites. These sites host other PDF files, suggesting a multi-stage download or redirection scheme. The primary purpose appears to be directing users to malicious content hosted on compromised infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9786
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 https://bluebeakbranding.com/wp-content/plugins/super-forms/uploads/php/files/36c96db0398e3d2aacd0dc1e09f5265b/padeponopibopepotu.pdf
- https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e4e360b4471b3e737e94a2e7f08bcd8b/58096289359.pdf
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/4j1l5rbk5c79aicro6s5d923d0/76587851415.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089bc5853d49---vogujo.pdf
- http://etkindenetim.com/resimler/files/97410300747.pdf
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702d13756b3---72795638413.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160c25ea8ad67f---katomageviduxag.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/tknusvmtv01ijn06cep7eslcm2/98522546526.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/428e2558b0132fa40eac605039508765/zirumoxefud.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ddc2a960d4f---6298265968.pdf
- http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b3fbc29f2c8---98082354215.pdf
- http://dlmberatung.ch/userfiles/files/67673994558.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160804cad7f08f---97664520764.pdf
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a0a928b11d3---91905021281.pdf
- http://meruzhankhachatryan.com/app/webroot/files/file/89015347200.pdf
- https://investainternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070acfc9b4cc---fipewabowagumex.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ivao2h89v4tpigh14tqt0unsv6/42141161688.pdf
- https://audreyheselmans.com/_files/file/22685425816.pdf
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/8dfa74499f8e3ab6c26ca05d854ebba8/43634904905.pdf
- https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/m833vci2b39hulu7o04g46k733/81975415144.pdf
- https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/e359c101829545dbae8731fb2f9aa247/gumobitutujobasa.pdf
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/980163612e54f32318668cd57812e781/17756309700.pdf
- http://grafordexstudents.com/clients/0/05/05b3dbe7dd9dc6f92b523d2b721f2ffd/File/46858650933.pdf
- http://nextgt.eu/uploads/file/80150896645.pdf
- http://freetourscadiz.com//ckfinder/userfiles/files/damax.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16078ed575a62e---74236626382.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=maple+roasted+carrots
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fabf.bin4b492fb74c524bed8ffe1526255b9ee072409a1c948714cd0c352a3ea09b2edd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFABF | 18252 bytes |
font_01_sfnt_off00012abd.bin60a3aabcf5febe676db844e16582c71b0af8751448f693c3d042dbc0aa8757f7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ABD | 10304 bytes |
font_02_sfnt_off00014229.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14229 | 16792 bytes |
font_03_sfnt_off00015a3a.binca253118af13e217e4b84ea49983108a1c6ce385d85754e66befd67ef09039fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15A3A | 16628 bytes |
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