Malicious PDF — malware analysis report

Static analysis result for SHA-256 b49eba664af43f4b…

MALICIOUS

PDF

65.5 KB Created: 2021-02-27 13:46:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 5939c00955fa950f467348686192b13f SHA-1: 966dbe9a952e7f55392aee04cf8bf23e47776818 SHA-256: b49eba664af43f4bdc54f67bb3d7446c2812ebbfda62ba9d132fc7ec77ae6ff3
124 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous embedded URLs, many of which point to disposable hosting and are part of a link farm, indicating a phishing or scam attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body, though heavily obfuscated, appears to be a lure related to car maintenance, directing users to a URL that is likely to host a malicious payload or phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9695

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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
  • 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://gimoguvi.ru/strik?utm_term=how+often+should+differential+fluid+be+changed PDF link annotation
    • http://generatorsale.ru/android_update_for_huawei_mate_752k87.pdfIn PDF document text
    • https://cdn.sqhk.co/dijabidasu/F1jgzia/glow_hockey_2_ios.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488103/normal_5fd7abed912a4.pdfIn PDF document text
    • http://zugugalepew.mypressonline.com/bhagavad_gita_online_free_download_in_english.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373516/normal_5fdff7c204cdd.pdfIn PDF document text
    • http://odemebayisitrafik.com/business_process_modeling_example5z3mo.pdfIn PDF document text
    • http://cardioactiveufficiale.site/chaalbaaz_bengali_full_movie_2018fz90k.pdfIn PDF document text
    • https://cdn.sqhk.co/tetolonul/eNySUP9/zeligesor.pdfIn PDF document text
    • http://xufamorazogubov.sportsontheweb.net/sanekopunojavifuko.pdfIn PDF document text
    • http://vekvelo.ru/ge_spectra_range_replacement_partsgvc74.pdfIn PDF document text
    • https://cdn.sqhk.co/tiviluluje/iikZXgl/koala_kai_logo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xakagigoneliv.myartsonline.com/les_miserables_2019_movie_ending.pdfIn PDF document text
    • http://litopuputorer.rf.gd/97975019197.pdfIn PDF document text
    • http://kofaxafogi.myartsonline.com/swann_1080p_spotlight_outdoor_security_camera_review.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e5db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5DB 5476 bytes
SHA-256: 7a2279eb5c21389a207cce6375554f87d128cc7bae40ae2922e4a8a4f16f5146

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