MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous external links, many hosted on compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content or download sites. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://pistant.ru/uplcv?utm_term=dead+poets+society+download+movie
- http://sibmetiz.ru/upload_picture/8811410680.pdf
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/1c2on5qm47975pg5ue9hrjut8l/66091652719.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/57i0cjjou6tloj76ilqjbjrph9/nowedixozu.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607af6deaa9a5---nonabesera.pdf
- http://diysmart.net/userfiles/file/fegodelagudilo.pdf
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3d8a1aed8---19256078284.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/5533abfa9cb079625c6798898e1a8647/zewerikiwawon.pdf
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160986447e4547---lizuzefixatibajuvuwo.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/8fgtqf0nft1fajd8d7nvp6j3jv/bonine.pdf
- http://hysansam.com/fckeditor/userfiles/image/lufofimebixulaju.pdf
- https://chiataiec.com/userfiles/Proj_Name//files/37087421545.pdf
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/lcr17r72mom5r31jp212cbvg63/39600658334.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/rnjqnrgmeapaepugsaugjint3i/20102967254.pdf
- https://etimes.mn/uploads/files/babakipamad.pdf
- http://xedaptap.net/userfiles/file/begezojigowumesepedova.pdf
- https://la-klamm.org/userfiles/file/susujevekodomuramabudig.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/768c23bc4a529927cde77a5489196c16/36008653289.pdf
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7bbe1d192---45865027151.pdf
- http://dzbnf.com/upload/file///mirazawojinorilevu.pdf
- https://ratsimae.eemedia/contents/file/38926855022.pdf
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/dbe23192966039ec9a7d9a49377c79b2/dagexijo.pdf
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608a98b831d3f---vapawokasemeked.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/ia7lp53p5ssdi7lr27822la7h1/13614326508.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160c6b530641f1---tozegememujagubax.pdf
- 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_off0000ed13.bin3a1417ef5d6a77a69968ff4b7ab8a8aa260945f9f5c8497fcd926eefb45abdbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED13 | 10844 bytes |
font_01_sfnt_off00010628.bin43b5d2db486ec92ff5c947c0f724a5f59507b22520ab103a585ea4b5e14ac0f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10628 | 17092 bytes |
font_02_sfnt_off000132a7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132A7 | 16792 bytes |
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