Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d747bf28c598ca0…

MALICIOUS

PDF

69.3 KB Created: 2021-02-15 10:36:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 08ee91206ad5efa99b201e2ea3332b56 SHA-1: 9dce8d2a2291e7e275b8638dc84fdd68979cd30e SHA-256: 6d747bf28c598ca034ab0f417ee01dd8bc134b7b141ed71bd55690c456decfd7
136 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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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=unblocked+games+uno+online PDF link annotation
    • http://load-bcp.com/21281287221plh56.pdfIn PDF document text
    • https://s3.amazonaws.com/muwomapotumugi/arteriovenous_malformation_uterus_causes.pdfIn PDF document text
    • https://s3.amazonaws.com/nabifovu/pokemon_y_game_for_android_mobile.pdfIn PDF document text
    • http://nikaold.site/steelhead_fishing_michigan_reportgjtk2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4446649/normal_5feef696d6efd.pdfIn PDF document text
    • http://conicppjry.bid/91467669154ou5ga.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475985/normal_5ff2929bb9556.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401691/normal_601257a3adc59.pdfIn PDF document text
    • https://s3.amazonaws.com/lebejos/neonatal_resuscitation_program_test_answers.pdfIn PDF document text
    • http://item-mask.top/ethernet_cable_crimping_guide88lpp.pdfIn PDF document text
    • https://cdn.sqhk.co/rokabumake/Mhj7Xgi/line_brown_farm_hack_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/tesodagiwor/hungry_shark_mod_apk_android.pdfIn PDF document text
    • https://cdn.sqhk.co/dodanadofu/jeidif9/wixekajurigetasurudiveb.pdfIn PDF document text
    • https://s3.amazonaws.com/kozewuposoridil/super_king_flannelette_sheets.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393186/normal_600260829aed9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417033/normal_5feb921e98f7a.pdfIn PDF document text
    • http://wixiziz.iblogger.org/lutitezibokukukedurud.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481839/normal_5fef4bd17d283.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nafivinada.rf.gd/pufiludetamalexebimubi.pdfIn PDF document text
    • http://rawozovikoruros.rf.gd/99_names_of_allah_free.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_off0000d3ac.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD3AC 5356 bytes
SHA-256: 2f6c8eba867b8ccee15aed8affd53fd9aa8c2c48b4dd150dc1e5d8808a135d2c
font_01_sfnt_off0000e5db.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE5DB 10072 bytes
SHA-256: ac30181972d9dbf68516e4545f0cd387ec821d822a38460e1b2576a2c40de37a