Malicious PDF — malware analysis report

Static analysis result for SHA-256 9eaf258601b7314c…

MALICIOUS

PDF

61.6 KB Created: 2021-02-02 16:50:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 62abd3885b6cdf165f9363c2dec53be5 SHA-1: 2dfe6c33ae5e2f826a1f4c6c60716ce416943f5d SHA-256: 9eaf258601b7314cb8fec0660a59924ea32fb1322147eb19757db6d904547fcb
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jottigo.ru/wb?keyword=chemistry%20final%20exam%20review%20sheet%20spring%202019 PDF link annotation
    • https://cdn.sqhk.co/rarirawibowo/bihhem4/27575700920.pdfIn PDF document text
    • http://reawolt.online/xbox_one_gamepad_controllerlewgw.pdfIn PDF document text
    • http://naturapple.space/39363502899muv4f.pdfIn PDF document text
    • https://cdn.sqhk.co/ruvonusebex/r9Hihjj/95957482324.pdfIn PDF document text
    • http://tophomework.space/electrician_apprenticeship_requirements_australiagzhi6.pdfIn PDF document text
    • http://knitfqph.site/speaker_tester_pro_apkcyllq.pdfIn PDF document text
    • https://cdn.sqhk.co/sejixikerut/ThaWrzu/96941959804.pdfIn PDF document text
    • http://esclick.pro/65119660373vib6r.pdfIn PDF document text
    • http://swiss-family.space/jarilatebalufi6g8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://punafifa.rf.gd/red_whatsapp_messenger.pdfIn PDF document text
    • http://roramebojasaw.epizy.com/bonus_ball_draw_sheet.pdfIn PDF document text
    • http://jabisuluro.epizy.com/61949373456.pdfIn PDF document text
    • http://tufobiwileke.rf.gd/puvusapebuxugofez.pdfIn PDF document text
    • http://xakurukedafa.epizy.com/monatakupiminegedoxonefa.pdfIn PDF document text
    • http://bawulega.rf.gd/geographic_information_systems_and_remote_sensing.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_off0000b2c3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xB2C3 6024 bytes
SHA-256: 68f65ba8f273940f66a8ac40e6155fedc2d92b6a5b923a7fd142601e795cd6a6
font_01_sfnt_off0000c733.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC733 9968 bytes
SHA-256: 7c448d3fc95c73370d7f79679a8b16a59002f1d1034038f633e4b5c9069a45b9