Malicious PDF — malware analysis report

Static analysis result for SHA-256 7659652b5dc22ae4…

MALICIOUS

PDF

72.7 KB Created: 2021-02-12 11:29:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: cee1e5842587fd56ec8f0f4ffda05056 SHA-1: 33b7bff7174ded03420619e448f5172d14cb79b0 SHA-256: 7659652b5dc22ae4aef433f31570589eda4f417a7865a7be3296662fd65bad64
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • 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.
  • 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=current+portion+of+long+term+debt+cash+flow PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4412165/normal_5ffa1f246eaed.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495525/normal_6016ed8b79992.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374851/normal_5fc7d7a874b0c.pdfIn PDF document text
    • https://cdn.sqhk.co/wuwexosul/hfge1ii/planetcraft_block_craft_games_mod.pdfIn PDF document text
    • https://cdn.sqhk.co/gobisofokox/gjeFAha/free_survival_fire_battleground_game_download_uptodown.pdfIn PDF document text
    • https://bevamiwe.weebly.com/uploads/1/3/0/7/130739198/2666042.pdfIn PDF document text
    • http://mevilesiroxivo.iblogger.org/aiou_m._ed_date_sheet_2019.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4474170/normal_5ff23e0d6322e.pdfIn PDF document text
    • http://wodunobogigav.22web.org/bengali_sad_song_mp4.pdfIn PDF document text
    • https://cdn.sqhk.co/kigaratak/dTghjjS/bluetooth_speaker_walmart_waterproof.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://sekizipax.rf.gd/occupational_health_services.pdfIn PDF document text
    • http://lojifasipok.rf.gd/jafisawuganimepe.pdfIn PDF document text
    • http://gadoxijumulop.epizy.com/terminator_2_3d.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/61064254438.pdfIn PDF document text
    • http://sabixisadosafa.rf.gd/descargar_bombsquad_pro_hack_apk.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_off0000de08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE08 5708 bytes
SHA-256: 5e6a6f6c5bc07a95c8e65cc0997f73e4acd9dcdca80860aae0134152938705f7
font_01_sfnt_off0000f14d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF14D 10660 bytes
SHA-256: 975d384d71e1524d767f11ee6f6d6ff0856d38652a5338dc3f7bdacd5c456431