MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal or Forge Credentials
This PDF file was detected as malicious by ClamAV and an ML classifier, exhibiting characteristics of a credential harvesting lure. It contains numerous links to external sites, many hosted on compromised WordPress installations, suggesting an attempt to direct users to phishing pages. The heuristic 'SE_MFA_LURE' specifically indicates the document's intent to trick users into approving MFA requests or providing one-time codes, consistent with session token theft.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://smidgel.ru/uplcv?utm_term=4+types+of+fire PDF link annotation
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/s3kd7v16usmvi5vabhdrqd6h82/13919957219.pdfIn PDF document text
- http://tkvolley.pl/upload/files/zifofu.pdfIn PDF document text
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/hn8hh51tc7vof09ssli7h8j4il/26602952847.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/tuloresobimiwobudonezugo.pdfIn PDF document text
- https://www.ideakliniksisli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8fa0450e48---51836426667.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/voronuxujesifizewazavas.pdfIn PDF document text
- http://valsadindustries.com/userfiles/file/zibimukodesuzaxe.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/160775d8ec2bbb---lirixejawomir.pdfIn PDF document text
- https://hasekei.jp/userfiles/file/nilakolo.pdfIn PDF document text
- http://ghioroiu.ro/sites/default/files/file/xarogujawukaroduz.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/e17cf12f9c4c94d8b3751206d0be152e/virosovexab.pdfIn PDF document text
- http://promador.pl/userfiles/file/gupowaroferexekuwe.pdfIn PDF document text
- http://stonebriarranch.com/clients/876969/File/74055004573.pdfIn PDF document text
- http://rsst77.ru/upload/files/bubuzig.pdfIn PDF document text
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/e40cac603bb08ba83eb01231e4ecbe61/wozajedis.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/631c418f8871da63cbe3a7796d2e98a5/xopazor.pdfIn PDF document text
- http://ugyvednok.hu/userfiles/file/vadifomijodegoburu.pdfIn PDF document text
- http://parfumkin.ru/files/files/44451401698.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/vsupgmubovrme2n1pdh6t3mok1/20492095470.pdfIn PDF document text
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/10a8bd0b370309e726829e46839d5c31/97996022641.pdfIn PDF document text
- http://ck-tct.ru/userfiles/file/zuwopikazoxaxebemuxibexi.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160826f59263cc---24828942804.pdfIn PDF document text
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16095d1fa8e589---numik.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/3868fe03845f43127be23ef48f4eda9d/47551209658.pdfIn PDF document text
- http://location-venise.com/italie_documents/files/8597503078.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f77aea2be.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA01 | 10136 bytes |
SHA-256: c84e5b921332e38862671e3f54ca8cdf0069c89f8c4cf36c57f77a0d669bc1ee |
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font_01_sfnt_off000100ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100CE | 16384 bytes |
SHA-256: b066cc55630e6d632496da0a645231ec8f6d7e0bba0702e0313c2bd2d33c09f1 |
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font_02_sfnt_off00012b1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B1A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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