Malicious PDF — malware analysis report

Static analysis result for SHA-256 00db944597036027…

MALICIOUS

PDF

71.9 KB Created: 2021-02-18 17:56:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: e93dc691b462e0c859fb281e94449b73 SHA-1: 3b8d153c8434812d6a4a215a59d950302428a312 SHA-256: 00db944597036027c49835eabeacd371017b98725252667d47e869c29d127ca6
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://bologen.ru/wix?keyword=packet+tracer+6.4.3.4 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4484641/normal_5fce96d66c472.pdfIn PDF document text
    • https://nutikatike.weebly.com/uploads/1/3/4/6/134601603/1295111.pdfIn PDF document text
    • https://tasiwusod.weebly.com/uploads/1/3/5/3/135351817/watagepoburekuv.pdfIn PDF document text
    • http://badge-verification-center.com/church_powerpoint_backgrounds_freevs2lw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401517/normal_6016e3c2c4635.pdfIn PDF document text
    • https://dufubixapitosig.weebly.com/uploads/1/3/4/5/134503348/fofeketopa_dawov.pdfIn PDF document text
    • http://discovljzg.fun/53205113855t5i45.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408184/normal_5fdcc06f41a66.pdfIn PDF document text
    • http://kittyplay.online/fuwixijan976x.pdfIn PDF document text
    • http://susurrus.space/one_piece_bounty_rush_androidn9lqa.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tuxusar.epizy.com/94186479718.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_off0000ddd0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDD0 5088 bytes
SHA-256: 3803153ee9c19309a4b5c3abb62b5f04ee25a975e38547d7d3802be6d991e02a
font_01_sfnt_off0000ef41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF41 10384 bytes
SHA-256: 4ae78b1e4f0790b0d68cdb959f6959805ab929e1a418032efad1d921fb88e1cc