MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with many embedded URLs pointing to various websites, including those hosted on compromised CMS platforms. The presence of 'utm_term' parameters suggests a phishing or scamming intent, likely to lure users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://ketchas.ru/uplcv?utm_term=student+bank+account+overdraft PDF link annotation
- https://betsin.org/userfiles/files/19643784145.pdfIn PDF document text
- http://fkhd.cz/data/img/dutumawogovu.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/natorekux.pdfIn PDF document text
- http://car-zone.sk/data/data/file/xemirifid.pdfIn PDF document text
- https://alstar.uz/images/shared/file/dosikovoxu.pdfIn PDF document text
- https://nsck-cykelmotion.dk/ckfinder/userfiles/files/75561324041.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/161324f8582637---98514618367.pdfIn PDF document text
- http://foto-preiss.at/upload_files/files/76023134638.pdfIn PDF document text
- http://lirealestatelitigator.com/wp-content/plugins/super-forms/uploads/php/files/fd257ef631cbf0a65537296975acdbd6/32217594674.pdfIn PDF document text
- http://goang-hann.com/uploads/files/202109191100378101.pdfIn PDF document text
- http://oldmotorsclub.com/files/file/murunetiwakejapegavox.pdfIn PDF document text
- http://miraesusan.com/ckupload/files/44064229248.pdfIn PDF document text
- http://www.vikingmaterials.com/img/kuzitipiwavelodegadobe.pdfIn PDF document text
- http://seosanhrd.com/userfiles/file/94798264811.pdfIn PDF document text
- http://bk-plus.at/userfiles/files/jedefumopi.pdfIn PDF document text
- http://snuhonors.com/userfiles/file/9241457026.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/efc15e6742c718d456e840f291777283/88850814946.pdfIn PDF document text
- http://yourhandmadeitems.com/userfiles/file/76581415995.pdfIn PDF document text
- http://chatyzvule.cz/uploads/bunakawubekepogufotinota.pdfIn PDF document text
- http://ngoinvest.com/uploads/ckfinder/files/nuvuvotelavirubu.pdfIn PDF document text
- http://baschin-heizung.com/meineBilderAlbertGrundschule/file/88386992707.pdfIn PDF document text
- https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/c67abnftvqj1bb0duspvjttmtq/murinotajinosaw.pdfIn PDF document text
- http://abwingscolley.com/uploads/files/15467453584.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_off0000bad5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBAD5 | 10636 bytes |
SHA-256: aaa312f3e694073620a1461ec0541462202f0595dda56081685a58ac68f1c193 |
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font_01_sfnt_off0000d361.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD361 | 17116 bytes |
SHA-256: e29550a2bf19c57941ff050d74162daf810e9b8228e7fcb3c478059e1a1337ad |
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font_02_sfnt_off0000fef3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEF3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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