Malicious PDF — malware analysis report

Static analysis result for SHA-256 01036f3eaac6f4ce…

MALICIOUS

PDF

69.6 KB Created: 2021-02-24 23:50:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-01
MD5: 78327ad9d5f46420fa72b2ce14f3c0d7 SHA-1: ecd93d0fa942d6c1008c2123c4c5b4596dbd0d85 SHA-256: 01036f3eaac6f4ce31d53edcb4d231c2bcc000a9e205c475be1b200afe066d1e
146 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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://maypoin.ru/award?keyword=how+do+i+reset+my+funlux+camera PDF link annotation
    • http://mifvideo.space/curso_de_guitarra_acustica_para_principiantes_gratis1f11v.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426059/normal_5feb8e787871f.pdfIn PDF document text
    • http://creditstar-kabinet.com/joleskywe7.pdfIn PDF document text
    • http://it50life.pro/alkaline_diet_plan_dr_sebij0h0z.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387424/normal_6019ab024258e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470543/normal_5fd619b59c3f7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387582/normal_5fe528a294411.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4406775/normal_5fd8c3e49ed20.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4392452/normal_5fd3151d7a18c.pdfIn PDF document text
    • https://cdn.sqhk.co/nufesewepi/Ohcshae/king_moves_in_chess_castling.pdfIn PDF document text
    • http://goxuvux.22web.org/friendship_day_video_songs_in_telugu.pdfIn PDF document text
    • http://safetymirrors.xyz/30489674657qltzw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://tawenaxogiminax.epizy.com/jigux.pdfIn PDF document text
    • http://vulofuza.epizy.com/compound_sentences_worksheet_grade_5.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_off0000d3d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3D9 5388 bytes
SHA-256: 921f78f22794fdb54c527ddb6ca430b27c723c1bf399b4ac14ff8f30dcc52b28
font_01_sfnt_off0000e62d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE62D 10444 bytes
SHA-256: 6d8c97e5847efc4ab6763873c72a1ff36b047263f03550d93b211164a82c0e43