Malicious PDF — malware analysis report

Static analysis result for SHA-256 072b7b3d149122a8…

MALICIOUS

PDF

73.2 KB Created: 2021-02-26 15:29:25 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-10
MD5: 49b5083b5bda89eaab630f18349bc237 SHA-1: 24ec0be0cfe1ab6b6814f1ec2b2dc73af70d8422 SHA-256: 072b7b3d149122a8bc91b8728036d2f38b449030d57b055a1040d232c8da5752
126 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
  • 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://jumiwimov.ru/award?keyword=calendario+escolar+2019-20+sep+jalisco PDF link annotation
    • http://sibatike.getenjoyment.net/aqueous_kcl_conduct_electricity.pdfIn PDF document text
    • https://cdn.sqhk.co/tanusulirava/gtOQgjz/chess_coach_pro_download.pdfIn PDF document text
    • http://pihodze.com/fl_studio_12_producer_edition_free_reddit44dy3.pdfIn PDF document text
    • https://cdn.sqhk.co/dimowitop/iniiidc/16162371326.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4501789/normal_5fd912efce3a2.pdfIn PDF document text
    • http://worelimupuvefam.mywebcommunity.org/fojenedasuxadapirokaxisu.pdfIn PDF document text
    • http://presalon.xyz/comma_splice_and_run_on_sentences_worksheets_with_answerstn68g.pdfIn PDF document text
    • http://kosamaritaj.getenjoyment.net/good_morning_happy_monday_inspirational_quotes.pdfIn PDF document text
    • https://cdn.sqhk.co/xuxibila/idEidhh/42795748982.pdfIn PDF document text
    • http://nowtorrentz.com/11707950474b4r27.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365582/normal_5ff323dd4e289.pdfIn PDF document text
    • https://cdn.sqhk.co/dikizumi/jjfljnQ/pibijuvifewox.pdfIn PDF document text
    • http://lg-copyright.com/c_language_basics_pptbfcgn.pdfIn PDF document text
    • http://xusibuvuzos.22web.org/how_to_transfer_keynote_to_powerpoint.pdfIn PDF document text
    • https://cdn.sqhk.co/jabuvilir/hgdhfib/16692728243.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pufovipejofag.epizy.com/89372540844.pdfIn PDF document text
    • http://falufobi.epizy.com/dard_dil_chupa_ke_royenge_song.pdfIn PDF document text
    • http://vowupesagol.epizy.com/diabetes_mellitus_guidelines_2018.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_off0000dc7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC7B 5564 bytes
SHA-256: 7469015b71b0e6c148ad8154c247876be763af910297ccd942d2ba2a5ac9a623
font_01_sfnt_off0000ef75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF75 11828 bytes
SHA-256: 9f3dd9c7be9270a0176d1520fb49842b1ed8e2176c72b1e6dc5b510afabeb503