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 as malicious, including a critical ClamAV detection and an ML classifier indicating a high probability of maliciousness. The file contains numerous links pointing to compromised websites, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to lure users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://queure.ru/uplcv?utm_term=microsoft+flight+simulator+controls+pdf PDF link annotation
- http://canadanur.com/resimler/files/vegidomam.pdfIn PDF document text
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa44189737---miduwenunezumew.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/tsb49lrhn6bo62q7duf2na5c7c/62230630533.pdfIn PDF document text
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/d315ae42ee9406c4a879d15c124c3da2/mupun.pdfIn PDF document text
- http://hongdacable.com/d/files/nodozuvomimusobesakiv.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/melewego.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a50110471be---5295680778.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1608b7060942b3---nodomiv.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/4473345176.pdfIn PDF document text
- http://jucal.es/images/file/xaragusepitixub.pdfIn PDF document text
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/93999f0940c65a9920d72e04a4bceec6/kitelizimanilugivige.pdfIn PDF document text
- https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/6f14d6c8d9443debcb0c931ac970fd8e/45160825471.pdfIn PDF document text
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/0v6v4tmasi69ee1nnuh3opjete/gosukarejotomonelibusak.pdfIn PDF document text
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607da850849c6---60322221107.pdfIn PDF document text
- https://kfz-gutachter-oliver-schiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160bad8fd86ff8---16762715561.pdfIn PDF document text
- http://ahkjt.com/upfile/file/dosofituba.pdfIn PDF document text
- https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b63151ef729---rederaximavuratiwajokume.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011197.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11197 | 5572 bytes |
SHA-256: a442765336705ef49fd66141006e64f5b0f002667335562d90609f3217c7dff8 |
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font_01_sfnt_off00012467.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12467 | 11288 bytes |
SHA-256: 034bd9b603833d0d1d806d2cde236df4fd346f1efee3e8f400ef02219aeb5ba7 |
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