Malicious PDF — malware analysis report

Static analysis result for SHA-256 245c3e9e1a8a4cf2…

MALICIOUS

PDF

71.3 KB Created: 2021-02-26 12:10:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: e65ec6f1c0755871a52d0371ae670bc3 SHA-1: 386c0073b3e38a245717eb8741eab968001e053f SHA-256: 245c3e9e1a8a4cf26b8b329629f9148d0c4417030c372d14fa0b75c8d1c46f2f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://leonvi.ru/award?keyword=rock+candy+xbox+one+controller+cord PDF link annotation
    • http://pugisapi.mypressonline.com/rulepopuwiropiwali.pdfIn PDF document text
    • https://cdn.sqhk.co/jakabapewuv/XpsPRgx/first_aid_training_video_tagalog.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4443617/normal_5fcdfc215de8e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476421/normal_600bd766b7394.pdfIn PDF document text
    • https://cdn.sqhk.co/rovujesox/FFwjhgi/amc_movies_stock.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404296/normal_601b842e0a3d9.pdfIn PDF document text
    • http://vizexibidoxi.getenjoyment.net/hp_printer_p2035n_manual.pdfIn PDF document text
    • http://dosaxixapaxa.medianewsonline.com/gupojuv.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://busapow.rf.gd/what_is_the_product_cost_per_unit_using_absorption_costing.pdfIn PDF document text
    • http://manosotidokef.myartsonline.com/lutodapalewagiworol.pdfIn PDF document text
    • http://regekop.epizy.com/zidow.pdfIn PDF document text
    • http://pumonufagatoteb.epizy.com/banner_powerpoint_template_free.pdfIn PDF document text
    • https://s3.amazonaws.com/xamapebonijos/a_current_affair_reporters_martin_king.pdfIn PDF document text
    • http://mudefikireneb.rf.gd/96954710558.pdfIn PDF document text
    • https://s3.amazonaws.com/zosevid/zuxekubiwumubuwuk.pdfIn PDF document text
    • http://nepunefetonub.epizy.com/ximuwamomerebaniridupe.pdfIn PDF document text
    • http://lofadezowudekeg.epizy.com/1725135268.pdfIn PDF document text
    • https://s3.amazonaws.com/jolituzoji/vimujokikokogu.pdfIn PDF document text
    • https://s3.amazonaws.com/zexozavo/nukanojurimiwopaxoru.pdfIn PDF document text
    • http://poluxik.epizy.com/46300687128.pdfIn PDF document text
    • http://sufumawug.epizy.com/nationwide_retirement_fund_performance.pdfIn PDF document text
    • https://s3.amazonaws.com/sewamos/how_big_is_a_football_ground.pdfIn PDF document text
    • http://zasegusof.epizy.com/98124563642.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_off0000d787.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD787 5136 bytes
SHA-256: f144335c6cb5cdce1c4b949568bc995789407592ff0e5dd9020f48f5d1708ac4
font_01_sfnt_off0000e925.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE925 10848 bytes
SHA-256: 18d892f9996f57247387533afd5ebb8ffb716e0f4107ee15cd74f3eb137df932

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