Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e11456d30f987b1…

MALICIOUS

PDF

69.5 KB Created: 2021-02-25 02:28:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 0d233638b97944c3e14dfbc9ccbe06b5 SHA-1: f9f031dfffd1db9690a397c4282beb0ce3651541 SHA-256: 8e11456d30f987b1eec3049a072c960e68a210be7dbc7346032176916e7e6c4c
136 Risk Score

Malware Insights

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

The file is a PDF document that contains heuristics indicating it is a phishing lure. It redirects to an external URL, 'https://bologen.ru/award?keyword=what+is+diverse+learning+materials', which is likely part of a phishing campaign. The ML classifier and ClamAV detection strongly support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9604

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • External URI info PDF_URI
    PDF contains an external URL action
  • PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILED
    The cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
  • 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://bologen.ru/award?keyword=what+is+diverse+learning+materials PDF link annotation
    • https://cdn.sqhk.co/kixobaza/rZgikbP/best_whatsapp_video_call_recorder_with_audio.pdfIn PDF document text
    • http://vuvulusigi.scienceontheweb.net/beretta_m9a1_vs_92fs.pdfIn PDF document text
    • https://cdn.sqhk.co/nivurerazusa/jgD3spZ/dufasala.pdfIn PDF document text
    • https://cdn.sqhk.co/xuxiropuwomo/0WOjdl3/word_cookie_answers_carrot_13.pdfIn PDF document text
    • https://cdn.sqhk.co/vifejoneses/ICiduaI/63318667443.pdfIn PDF document text
    • https://cdn.sqhk.co/motuxeneb/jggdhcY/funky_karts_online.pdfIn PDF document text
    • https://cdn.sqhk.co/karopepagu/SB3hhYO/xamadiluzipu.pdfIn PDF document text
    • https://cdn.sqhk.co/tibakekavero/jejbHgj/79719739786.pdfIn PDF document text
    • https://cdn.sqhk.co/tatogevi/ignEH3I/pinball_star_trek_next_generation_for_sale.pdfIn PDF document text
    • https://cdn.sqhk.co/vibebexez/hhcAhjc/51741637076.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/magapeguwabe/prestige_leviathan_dogs_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/padosumifubobo/66571371073.pdfIn PDF document text
    • https://s3.amazonaws.com/rogugagatuf/90395448276.pdfIn PDF document text
    • https://s3.amazonaws.com/vukujidor/spectrum_analyzer_app_android_free.pdfIn PDF document text
    • http://vubelifijam.atwebpages.com/persona_4_golden_achievements_steam_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/tufitijinexu/spreadsheet_for_church_accounting.pdfIn PDF document text
    • https://s3.amazonaws.com/salade/nezigitupezavavokujuvixo.pdfIn PDF document text
    • http://saxodanokijaj.atwebpages.com/list_of_irregular_subjunctive_verbs_in_spanish.pdfIn PDF document text
    • https://s3.amazonaws.com/godoremitiwuja/akon_locked_up_video.pdfIn PDF document text
    • https://s3.amazonaws.com/debamijizozexo/gexodevadibib.pdfIn 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_off0000de2e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE2E 5312 bytes
SHA-256: 2825d0343ccfd7bcaf1bb058b33cfa816cb97838df5d0c42e57c6d3850e66005
font_01_sfnt_off0000f021.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF021 10380 bytes
SHA-256: 3a16fa8d3a362161ecbb0605e7c432f262e7ec57815938697330e79c365abf82

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