Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3bbe18fd3db15b8…

MALICIOUS

PDF

72.3 KB Created: 2021-02-18 07:53:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: f43a6cffb591cd93924f32bd9b7e1c1f SHA-1: 6d84c58631152d687183118587a1fda6a6483262 SHA-256: d3bbe18fd3db15b829a07a72bd721401f8bffc5e605d8b6e587a3e0c8a97f82b
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://baarspo.ru/wix?keyword=pelicula+de+enchufe+tv+completa+online PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4480594/normal_6020720dc1754.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367296/normal_5fce3f46adc9e.pdfIn PDF document text
    • http://itabody.space/bayesian_information_criterion_matlab_codekgvdb.pdfIn PDF document text
    • http://yozi.store/apeman_c420d_manualh519m.pdfIn PDF document text
    • http://org-fruit.space/monster_truck_offroad_mad_truck_race_official_videokgyia.pdfIn PDF document text
    • https://cdn.sqhk.co/zivupowixede/f3kZIhc/disney_finger_scanner.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409417/normal_5fe7707ee5cc2.pdfIn PDF document text
    • http://luxshop21.site/simplifier_une_expression_littrale_5eme_exercicefecsz.pdfIn PDF document text
    • https://cdn.sqhk.co/ganuniwiku/6hjheih/walmart_bakery_cake_icing_recipe.pdfIn PDF document text
    • http://tk-time.site/gauge_transformation_physics_definitionucfcl.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4493867/normal_5ff7ea4b05e62.pdfIn PDF document text
    • http://fixmarker.fun/bisigibowegerog72m91.pdfIn PDF document text
    • http://worldthailand.fun/jitunukaxoxogoweizp60.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000de1a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE1A 5180 bytes
SHA-256: 20e832698dd7a09e73bb211cd1c92c92be7d8457c408fb3a361d735ea9225568
font_01_sfnt_off0000efa2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEFA2 10748 bytes
SHA-256: 3420673ae7ad88b5c64d2e0e3ba7aa7ad228472d288c2d7c8bc41866652e9ffa