MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to potentially compromised websites and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farm heuristics strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 6
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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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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://coretry.ru/uplcv?utm_term=mr+pancho+mexican+food
- http://orderleesushi.com/uploads/files/66101166091.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608775f5dc2cf---pirotidusi.pdf
- http://shosholoza.de/file/bafiwil.pdf
- http://escuelasfutbol8.com/docs/files/genaselopivagebatoronaz.pdf
- http://geotersrl.it/file/rukedafazasifisuve.pdf
- https://amrapalispot.com/userfiles/file/40820194220.pdf
- http://contextuae.com/resimler/files/powefisipalabe.pdf
- https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/e4a72a067e712905e6bbf943456237d3/mozemaka.pdf
- https://imotrading.com/images/userfiles/31030038597.pdf
- https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/5d2rf152nteatsprtegm8gumvi/vixuzolirid.pdf
- https://alzubidi.com/userfiles/files/70823457190.pdf
- http://eaeocs.com/clients/c/c7/c75ed17bfa54634cfc1039f1b599a7e7/File/kapenuxukelapowodilowab.pdf
- http://tuclubcr.com/campannas/file/19039724855.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-17/20210517082603803064.pdf
- http://africanhairbraidingsalon.com/userfiles/file/79907237045.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160aab52876bc8---153150038.pdf
- https://termofriz.rs//files/nizugaziwijojokedajad.pdf
- https://twinslock.com/ckfinder/userfiles/files/57588795453.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/1464f469f6352bfcceda31a5808c24a4/renev.pdf
- https://sonarmusic.hu/up_image/file/sagusowed.pdf
- http://driver-jazda.pl/upload/file/91138522044.pdf
- http://kiiga.ru/userfiles/file/tagitomupur.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/72821d523c01c9cb75eaaab1686d34b0/14459625878.pdf
- 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_off0000f648.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF648 | 16792 bytes |
font_01_sfnt_off00010e5a.bin36d32847dab70c463adb80a650455b273aadb3a06d93dc6c626f4cca6efb428e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E5A | 17156 bytes |
font_02_sfnt_off00013a4b.bin2f20a75b52faef52fb9a0a6836475c95cdbf6c1a93916dda671b8680cde061df |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A4B | 10668 bytes |
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