MALICIOUS
156
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. It functions as a link farm, containing numerous URLs that point to compromised websites, likely to facilitate phishing attacks or distribute further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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 http://bouwbedrijfansing.nl/userfiles/file/954346213.pdf
- http://daoltrading.com/userData/board/file/sozesarekiparosetalo.pdf
- https://viajespereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd33e316397---remosapetulunoboguwidili.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160e07eb75a0b4---47675305384.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c718816b4ca---60800515561.pdf
- https://urbanlivin.lu/userfiles/files/pojip.pdf
- https://optimuselearningschool.com/learning/site/images/uploadfiles/nuferubexulemaw.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/ngbibsfba59uipsbt63tp40la5/ruwopixipusig.pdf
- http://ntouioc.ntou.edu.tw/ckfinder/userfiles/files/raveluropefidine.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1611204f6512f2---71658813160.pdf
- https://milliondollardesiclub.com/upload_files/featured/files/pavilanenipenalefasipi.pdf
- https://vico-real-estate.com/ckfinder/userfiles/files/40470736771.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094bc51e6a39---15715000604.pdf
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1213c0c33---vuvufudavajirozaf.pdf
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/da86a1c658635f2a004c6001248f46a4/boloxajeme.pdf
- https://cottonweb.net/userfiles/file/44401425359.pdf
- https://grandplaza.bg/uploads/assets/file/vevazalotixegiref.pdf
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/8k3frc6902ca8ojl7b9cpf2fi3/jixuzalom.pdf
- https://meesens.be/KrMee/Tekstverwerker/69873412292.pdf
- https://sunarchegypt.com/userfiles/file/lesusolikuguvu.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bff09336ad3---61155786392.pdf
- https://consurs.ro/ckfinder/userfiles/files/51061931044.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=of+mice+and+men+student+workbook+answers
- 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_off0000c859.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC859 | 16792 bytes |
font_01_sfnt_off0000e06b.bine6ef77e471418d4a897bd7748b533f2cc3f3c31154473aba846845425ef7a459 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE06B | 17284 bytes |
font_02_sfnt_off00010dec.bin57c7f5e7beb841d034f7b8ca43c67ea08c13e374e1d745f6c1f9044385079c1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DEC | 11032 bytes |
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