Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d25928b233cc897…

MALICIOUS

PDF

75.4 KB Created: 2021-03-08 10:50:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: a81d96bdd4add279a5e6c9b95eb3a0fb SHA-1: 1f6420a02ce232b5196eb280023e934d02e45db7 SHA-256: 6d25928b233cc897202f034c918891be5e396b0ab9d759a29907ac7c58186b7f
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://gimoguvi.ru/award?keyword=que+es+un+agonista+en+farmacologia+pdf PDF link annotation
    • https://cdn.sqhk.co/dafibuxoki/cjhMwfg/jibilukopujavavedesomu.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366003/normal_5ff3be7f9b8bc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378853/normal_5fd2f83d2bbe8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484631/normal_604152794a8bd.pdfIn PDF document text
    • http://auto-fishing-rods1.club/alto_saxophone_sheet_music_pink_pantherb4pbm.pdfIn PDF document text
    • http://lobabinuladeri.medianewsonline.com/how_do_you_clean_a_bissell_powersteamer_powerbrush.pdfIn PDF document text
    • https://cdn.sqhk.co/fojevimexu/dgeFhdF/walmart_investor_conference.pdfIn PDF document text
    • http://bamefidev.mygamesonline.org/vortech_mp10wqd_manual.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4382772/normal_5fe6e94bb1c57.pdfIn PDF document text
    • http://ita-fitness.fun/zetopa937qf.pdfIn PDF document text
    • https://cdn.sqhk.co/pajokiman/jhRgjjg/brain_training_programs_free.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446015/normal_602d550d95fee.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4404285/normal_5ff415f758eda.pdfIn PDF document text
    • https://cdn.sqhk.co/savageven/idN5hja/sim_card_manager_details_information_software.pdfIn PDF document text
    • https://cdn.sqhk.co/sixajuzap/9jhnAii/maps_bendy_for_minecraft_1._15._2.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/baa777d3-dbf4-4ce7-9928-294e5b239faa/the_mortal_instruments_movie_jace_and_clary.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c52f8898-22ee-4b24-888d-355001507f30/36009516688.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c23ecd40-27cb-4e51-bf41-fd0fe1eda44a/xfinity_error_code_srm-8001.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_off0000e0ee.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE0EE 5536 bytes
SHA-256: e6f0b9f9c474dd330091d22d6cf922acc46b495aab242d6e445981c5053eb087
font_01_sfnt_off0000f3b1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3B1 13368 bytes
SHA-256: 0435f186d5f335e76855547dc41cbb8abb8d003ae242262c7f1c32652129bfc7

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