MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains multiple external URLs, including one pointing to a compromised WordPress site, suggesting it's part of a link farm designed to redirect users. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a pattern of distributing malicious content through a network of seemingly unrelated websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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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=is+2102+general+tolerances+pdf PDF link annotation
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/dac59441fd8c94390c6ddbecbda7512e/dinometilaretopitupa.pdfIn PDF document text
- https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/lk4e30bc55q2a3j6ev9hjpqg2l/85163440020.pdfIn PDF document text
- http://prosquash.by/data/narurazebetivabelom.pdfIn PDF document text
- https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/9676bb757806c2e98c6ed527ed4d09e1/38953807369.pdfIn PDF document text
- http://giasuminhtam.com/Images_upload/files/sojevuterizukamafivenirir.pdfIn PDF document text
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f743dd340f---44677205743.pdfIn PDF document text
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/drm74m5gblaj2pebhrvldlspk3/sewunupama.pdfIn PDF document text
- https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/4b3c1720eb0ecab53629bf1dd94978ab/16362559934.pdfIn PDF document text
- https://landi-bg.com/images/file/21984206062.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/mixam.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a237f12bc9c---719422290.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/6pvf6su4g2vuutjge9dmrm15ki/turenopifezewozapi.pdfIn PDF document text
- http://planetamama.ru/files/file/vurezolotalinenalaralu.pdfIn PDF document text
- https://designcoordinators.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078dd6a3a1c0---14070069579.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/32499157493.pdfIn 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF0A | 5324 bytes |
SHA-256: ec959fd6e411479e410de17e3979daf5e625f1bf5162c72eb05e4f1cbbf0f2e1 |
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font_01_sfnt_off0000f128.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF128 | 12016 bytes |
SHA-256: 428fa915385f2889cf634e5d673a6f96ebe8aa449068bffdab3778bb8cf2e7ed |
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font_02_sfnt_off00011979.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11979 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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