Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d0d4f95f93195e2…

MALICIOUS

PDF

71.9 KB Created: 2021-02-23 08:20:44 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 0f62dc776724f96d8a77f6d8515fa36f SHA-1: 713bffc2a29f194cb5a88bb9e8eff96a6c30b1cd SHA-256: 6d0d4f95f93195e25cda19b9e982c6e0e9d879b1781f413179430e24040b7bf9
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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 contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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=toughness+jay+bilas+pdf PDF link annotation
    • https://cdn.sqhk.co/nisugavu/jjSijid/fopavaxizugabu.pdfIn PDF document text
    • https://xefanopebowemid.weebly.com/uploads/1/3/2/6/132681782/kanudavupugomew_sotuwibedifuxi_pamawezav_xonumej.pdfIn PDF document text
    • https://fivomatimib.weebly.com/uploads/1/3/1/0/131070631/zamoguz_rexetuzigiki.pdfIn PDF document text
    • http://fiduvizowema.iblogger.org/52320134445.pdfIn PDF document text
    • http://espaceabonnes.com/phone_manager_pro_downloade3gff.pdfIn PDF document text
    • https://cdn.sqhk.co/kuzetuzame/9KEhepm/34498536709.pdfIn PDF document text
    • https://pulavirovedozas.weebly.com/uploads/1/3/2/6/132695401/pivep-vanonixogatig.pdfIn PDF document text
    • http://linoveda.22web.org/56561380808.pdfIn PDF document text
    • https://pafodezeba.weebly.com/uploads/1/3/4/5/134589846/fafegelutoti.pdfIn PDF document text
    • https://dezirivudamowi.weebly.com/uploads/1/3/1/8/131856369/xunibuwejobi-lowadawix-gidamokofukejuj.pdfIn PDF document text
    • https://cdn.sqhk.co/putizimetiwe/jPjhiaP/batabi.pdfIn PDF document text
    • https://cdn.sqhk.co/ribegibonot/PUoPhjt/paris_texas_zip_code_map.pdfIn PDF document text
    • http://znakomstva69.space/what_does_radical_republicans_meanfv95b.pdfIn PDF document text
    • https://cdn.sqhk.co/tefozakozup/jfjdphe/virus_estomacal_sintomas_duracion.pdfIn PDF document text
    • http://lessonsonline.site/44571263416i6g9u.pdfIn PDF document text
    • https://zanubago.weebly.com/uploads/1/3/4/8/134886268/7c23a4bd4f.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://lakiver.epizy.com/android_phones_under_15000_samsung.pdfIn PDF document text
    • http://relamelekubapan.epizy.com/backuptrans_android_whatsapp_transfer_keygen.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_off0000dde4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDDE4 5472 bytes
SHA-256: 16bc31d129b0ec47a5a7eb68950398672fdd24075d3f4f6c595c380fe11254ab
font_01_sfnt_off0000f08f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF08F 10136 bytes
SHA-256: cbbb31f5f734ae91e8e881ce72f0ca998ab825da8994029e120a71fa40b269cc

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