Malicious PDF — malware analysis report

Static analysis result for SHA-256 4e3f6cdf4530e1bb…

MALICIOUS

PDF

87.6 KB Created: 2021-10-07 01:47:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-19
MD5: 3b43c821e69175a82a33212cef66fc62 SHA-1: 5820804bc77296d0d3dd7d28a9319ff6ac71255e SHA-256: 4e3f6cdf4530e1bb5058b42bcd0b3da3580b07a77f3d61d9892500acc3e08b84
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The 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.
  • Embedded URL info EMBEDDED_URL
    One 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://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/509cc42db233529826d1d51c8f952b44/mirakomofoxibevav.pdf In PDF document text
    • http://euroear.eu/ckfinder/userfiles/files/95699429781.pdfIn PDF document text
    • http://glassick.com/userfiles/file/lavogetipago.pdfIn PDF document text
    • http://sieuthivatlieuhoanthien.com/upload/files/66918465946.pdfIn PDF document text
    • http://romengo.com/ckfinder/userfiles/files/2371496837.pdfIn PDF document text
    • http://mbeautyconcept.com/upload/content_images/file/nuzuvazofuwekexax.pdfIn PDF document text
    • http://s2group.pl/userfiles/file/70666340586.pdfIn PDF document text
    • http://bwemfjhjk.friend-match.com/upload/files/75566447105.pdfIn PDF document text
    • http://foxadv.net/file/94827179011.pdfIn PDF document text
    • https://flavio-tonon.it/public/file/pimegavoxudimanim.pdfIn PDF document text
    • http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/zibezipupuxik.pdfIn PDF document text
    • https://sonntag-immobilien.lu/userfiles/files/19739200671.pdfIn PDF document text
    • http://uceng.net/_UploadFile/Images/file/26202568636.pdfIn PDF document text
    • https://beautyyaurient.com/editor_upload/file/zoberinenuwadifufam.pdfIn PDF document text
    • http://mrhobbscoffee.com/images/uploads/file/60227521240.pdfIn PDF document text
    • http://usateatop.com/_upload/files/63556315837.pdfIn PDF document text
    • http://sosonomo.com/ckfinder/userfiles/files/kufekunemuta.pdfIn PDF document text
    • http://ksnjl.com/userfiles/files/33979549304.pdfIn PDF document text
    • http://gachtrangtritranvinhtin.com/gachtrangtritranvinhtin/Images_upload/files/40476551054.pdfIn PDF document text
    • https://manpowernepal.net/ckfinder/userfiles/files/fujotemim.pdfIn PDF document text
    • https://purmoradiatoriai.lt/images/files/radisitoduxekofufevakab.pdfIn PDF document text
    • http://www.bc-arman.kz/ckfinder/userfiles/files/bemanusinogozir.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=emerson+control+link+manualPDF link annotation
    • 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.

FilenameKindSourceSize
font_00_sfnt_off0000ebda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEBDA 20260 bytes
SHA-256: 526bfffd9925b3befa131d23d90d855477a4c0a50c606a933ab38bcf2e245649
font_01_sfnt_off0001209b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1209B 16792 bytes
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
font_02_sfnt_off000138b2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x138B2 10568 bytes
SHA-256: 7f6d40aec475060173812986208844b3f6ffcbd269d68401dcf54a9e542f095d

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