Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfbe1da2ac3abbcb…

MALICIOUS

PDF

68.4 KB Created: 2021-02-13 05:37:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: fc39122514265e06739e8d4883dc1738 SHA-1: 7a09e26c9b960ecf6bb0a95c7b325ba19012d088 SHA-256: bfbe1da2ac3abbcbb646f15783c19da37d26cd3656a5dd8e87b74c8ea29bd07a
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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=everstar+mpk-10cr+parts PDF link annotation
    • http://copyrighthelp.info/93026980599nersr.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4381788/normal_5feb5a434c28b.pdfIn PDF document text
    • http://goldotzyv.ru/22420106142vok6u.pdfIn PDF document text
    • https://cdn.sqhk.co/segexiji/hdhfxjd/33814658023.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4529697/normal_5ff2baa6c07ee.pdfIn PDF document text
    • http://fepekasizu.iblogger.org/kindergarten_curriculum_guide_week_1-_40.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417658/normal_60097edc986ce.pdfIn PDF document text
    • https://cdn.sqhk.co/rujiwujik/iaHYjdA/live_cricket_match_ipl_t20_today.pdfIn PDF document text
    • http://myyshooop227.site/i-flashdevice_hd_user_manual0lr4p.pdfIn PDF document text
    • https://cdn.sqhk.co/bebetirifam/ieejijc/creative_project_manager_salary_chicago.pdfIn PDF document text
    • http://daliadiago.com/mifufqqit7.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/gixawetopoli/78381340125.pdfIn PDF document text
    • http://mafakizukizunof.epizy.com/ata_thyroid_guidelines_2018.pdfIn PDF document text
    • http://jutibigata.epizy.com/207140320.pdfIn PDF document text
    • https://s3.amazonaws.com/jevelel/kindle_format_epub_czy_mobi.pdfIn PDF document text
    • https://s3.amazonaws.com/bikikanafopavu/aicc_ka_full_form.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_off0000ce31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE31 5352 bytes
SHA-256: 6bbe66655d83680453c1e7c0629e7006f50592f777569d3791865e28b2b48dbb
font_01_sfnt_off0000e068.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE068 10724 bytes
SHA-256: 59740010bcc4f853aa59613c05c7f25cfd140d8e7f924735b5bddf3d6fc0241e