Malicious PDF — malware analysis report

Static analysis result for SHA-256 22884edd6bfc674a…

MALICIOUS

PDF

72.2 KB Created: 2021-02-26 23:00:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 7070af9a5be5f288d72d02b1a3cc5014 SHA-1: db66975b887d68b84cffac71e947271563ee0586 SHA-256: 22884edd6bfc674ac89251cc2d8891276256ade8efbf8b89e435b0e9866e756d
126 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous external URIs, many pointing to disposable hosting, suggesting a link farm designed to redirect users. The document body, though heavily obfuscated, appears to be a lure related to a PDF search term, likely intended to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 5

  • 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
  • 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://fokemale.ru/award?keyword=a+history+of+western+choral+music+pdf PDF link annotation
    • https://bivamotitujodo.weebly.com/uploads/1/3/4/7/134712473/fuwajidiwuvewona.pdfIn PDF document text
    • https://lebotowim.weebly.com/uploads/1/3/1/4/131438344/dozop_visorode_vogeduxe_visuxodow.pdfIn PDF document text
    • http://naliputa.mywebcommunity.org/puzama.pdfIn PDF document text
    • http://zokidinodajives.getenjoyment.net/metodo_de_guitarra_clasica.pdfIn PDF document text
    • https://cdn.sqhk.co/lizubenesowi/9hiK0ii/72537773197.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4402262/normal_60371f0988170.pdfIn PDF document text
    • https://cdn.sqhk.co/bakavaxa/jgrtGgi/vidoxufakupepetamepi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4420592/normal_5fe9eaab35d94.pdfIn PDF document text
    • https://finukapaxareb.weebly.com/uploads/1/3/4/4/134494590/lagejovegogoz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470211/normal_60130c99972ab.pdfIn PDF document text
    • https://cdn.sqhk.co/muvuxaji/hifjeDs/lirejadiwuvoxo.pdfIn PDF document text
    • https://lidafeli.weebly.com/uploads/1/3/4/6/134683499/5919293.pdfIn PDF document text
    • https://kibidabusiben.weebly.com/uploads/1/3/1/0/131070702/7536140.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393486/normal_5fee115733523.pdfIn PDF document text
    • https://dajoromu.weebly.com/uploads/1/3/4/3/134309711/rasitovekalugon.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://xinifaduzinuvu.onlinewebshop.net/64733523815.pdfIn PDF document text
    • https://s3.amazonaws.com/davubewu/jegav.pdfIn PDF document text
    • https://s3.amazonaws.com/suzujewa/how_to_draw_for_beginners_step_by_step_rose.pdfIn PDF document text
    • https://s3.amazonaws.com/sagotomagin/17457419659.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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e116.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE116 5580 bytes
SHA-256: e13eedbe8e617eca5c6bfb554e367ae1f8e4c4b3ae6297d7857698a419b54016
font_01_sfnt_off0000f401.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF401 10368 bytes
SHA-256: ed9d41cc00bfbfbbba1deb960aa08759ffa7c77026845fd5f97f1df05a1e0f72

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