MALICIOUS
164
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, indicating a high likelihood of malicious intent. The document contains numerous links to external websites, many hosted on compromised WordPress installations, suggesting it functions as a link farm or downloader. The presence of a 'download button' lure further supports the attack pattern of tricking users into downloading a payload, likely disguised as a software update or game patch.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://queure.ru/uplcv?utm_term=fts+mod+efootball+pes+2021 PDF link annotation
- http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609a76a0aa13c---90413105029.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e14348f1a0---87364504656.pdfIn PDF document text
- https://skvely-kup.cz/files/file/9283299534.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/160860acc37b7f---94963678034.pdfIn PDF document text
- http://iaestedresden.de/userfiles/file/60723290288.pdfIn PDF document text
- http://extracam.es/app/webroot/arxius/file/sogeji.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a5d0a65fe60---detedoxusizapagu.pdfIn PDF document text
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160b26995e48ef---sudaxapo.pdfIn PDF document text
- https://soudurelausiere.ca/upload/editor/file/zilunegaku.pdfIn PDF document text
- http://kasystemofkarate.com/clients/861259/File/lulozuvomatevugu.pdfIn PDF document text
- https://asthasupermarket.com/userfiles/file/kukuvivuroniwusojile.pdfIn PDF document text
- https://leganordavigliana.it/uploads/file/vugamovuzezovulufi.pdfIn PDF document text
- https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/02096d4de7f32aba144151e7a0f48b21/luwadokaxijivubijiru.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/42ad7e9e4f6b1d820df921690ccb8824/fexotunumudabisavu.pdfIn PDF document text
- https://abugfreemind.com/userfiles/file/88922046839.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_off0000ecdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECDB | 5512 bytes |
SHA-256: c5562e3b846c50791f841e18e3cea6a211c00d612e815c790a3763a99d881237 |
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font_01_sfnt_off0000ff87.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF87 | 11292 bytes |
SHA-256: 6b4ae0e24bf431a5c189d7de587ed9015e20013c60332d1b0cd1b67f11bb591d |
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