Malicious PDF — malware analysis report

Static analysis result for SHA-256 50234a253088cd24…

MALICIOUS

PDF

73.0 KB Created: 2021-03-15 22:32:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 314db0e5b208dc6cec3a070e4fbf7f99 SHA-1: 8021a23cba4d594432e68f87ba349ddc06d058c1 SHA-256: 50234a253088cd2468d9994a16b273d74b6761d0ee3148de74d509a376d44616
126 Risk Score

Malware Insights

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

This PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs, many pointing to disposable domains and link farms, suggesting a phishing or malware distribution scheme. The presence of PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly suggests the document is designed to redirect users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://ponafet.ru/wix?keyword=red+rising+pdf+google+drive PDF link annotation
    • https://jogofevizu.weebly.com/uploads/1/3/4/3/134348232/719eea6c5e9.pdfIn PDF document text
    • http://rexonina.medianewsonline.com/organic_chemistry_volume_2.pdfIn PDF document text
    • https://sopazamiwurigu.weebly.com/uploads/1/3/4/3/134387891/dosomomad-sidexunawu-fukenu.pdfIn PDF document text
    • http://yognat.space/pujizalefezemaf70xv.pdfIn PDF document text
    • http://zakewabo.scienceontheweb.net/charge_xbox_360_rechargeable_battery_pack_without_charger.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408321/normal_602537953ec5c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487381/normal_603e480804070.pdfIn PDF document text
    • http://teksalle.xyz/what_does_application_period_mean_for_a_girlf3avf.pdfIn PDF document text
    • https://cdn.sqhk.co/furugilenu/xjdjgvH/lego_duplo_town_world_animals_10907_building_bricks.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453906/normal_60159b1a073a7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4381756/normal_602282b1a6eb4.pdfIn PDF document text
    • http://womenalikumat.22web.org/nuzuduvitipatopepa.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420025/normal_5ff2bbb6296ae.pdfIn PDF document text
    • https://busedulaxuxelo.weebly.com/uploads/1/3/1/3/131379622/a7f44e19af6f2.pdfIn PDF document text
    • http://viwivomoxori.22web.org/19791392564.pdfIn PDF document text
    • http://heleogose.online/27811512769c7pgp.pdfIn PDF document text
    • https://wurilulisewanid.weebly.com/uploads/1/3/4/7/134728532/tufasojovesux.pdfIn PDF document text
    • https://cdn.sqhk.co/wefekoferu/iroHRrE/orion_starshoot_autoguider_64_bit_drivers.pdfIn PDF document text
    • http://italia-doc.space/build_my_life_housefires_lyrics6quow.pdfIn PDF document text
    • http://prostotit.site/zoxewvxopy.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pejinubonuxus.epizy.com/android_application_developer_resume_format.pdfIn PDF document text
    • http://xupudajiwozov.epizy.com/chicago_electric_tile_saw_46225_parts.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://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://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000dc97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC97 5068 bytes
SHA-256: 23dfccc30ae0f8dd2f66d85ed4b46dce2120346c77dbdf68053efbe982cb265f
font_01_sfnt_off0000edf4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDF4 11936 bytes
SHA-256: f70aa9a4c09cd41d9fc74cc17f6ebc8a44e74bf8bf0c54a78bb2a73b547bdcb2