MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many pointing to compromised WordPress sites hosting PDF files. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of link manipulation. ClamAV detection and ML classification further support its malicious nature, likely as a phishing or SEO spam document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://www.esthemed.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1609a5d4d973b0---mujebunewu.pdf
- https://golf-tout-terrain.com/publish/page/file/fofuvewozujazujawojitibos.pdf
- http://ginzaoakland.com/uploads/files/93553284523.pdf
- https://bd-sokolovska.eu/userfiles/file/dararubegezonezujup.pdf
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086d1d519052---mafotumojowusavaxadujo.pdf
- http://www.photobreak.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160897d7b64ca4---mapivijixe.pdf
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076ef506cfad---tobopigemeselekap.pdf
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/r7soa64pcab7ciljiop8spktmb/janibozeterutejikulalire.pdf
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd1a19b0cc---81847000006.pdf
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160782468e0e43---6754730853.pdf
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd7e18ab39---xebifuvir.pdf
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084b4c38c8f4---pigugupakubenopozitej.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16081d8019feed---pusopenomofu.pdf
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/55a875fd68bcffe65e8b043dd5519f67/97104507961.pdf
- https://thekolkatapackersmovers.com/ckfinder/userfiles/files/gakewiwamobuxez.pdf
- https://bouwservicewinthagen.nl/userfiles/image/file/sililojanivunije.pdf
- http://otelm4b.ru/admin/ckfinder/userfiles/files/68129958796.pdf
- http://www.dj-csnl.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607726a0eaa11---jomizexunegugazola.pdf
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb7b8035e47---bivufanoziri.pdf
- http://macabrey-luthier.fr/data/Files/wodalutitelakavevu.pdf
- http://www.allatpatikapecs.hu/images/file/80408935334.pdf
- https://fa-vietnam.com/webroot/img/files/65635036677.pdf
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/eo4sstitpjdsgnavs5hkviq4f2/2271204942.pdf
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3afee28104---49610941007.pdf
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1609c01bd65121---29058825538.pdf
- http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f6eddd4eb5---24840478824.pdf
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160779721c665e---bipaxixezorufidonojoko.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=rabies+shots+for+humans+after+dog+bite
- 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_off0000f87b.bin7bf456ebe62bde4c64dca7dff3638cb525699b9df91fa60373642f13f83c679e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF87B | 11040 bytes |
font_01_sfnt_off000111d5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D5 | 16792 bytes |
font_02_sfnt_off000129e7.bin4af2306f47e0ce97a7b17a3cc96121b8e1e796f5a0fc40ac42b85b6d7835a604 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x129E7 | 17460 bytes |
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