Malicious PDF — malware analysis report

Static analysis result for SHA-256 035edaf253a706a6…

MALICIOUS

PDF

71.3 KB Created: 2021-03-09 10:09:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-15
MD5: 5b649bf1dc00b005823fa82f66ccf2c8 SHA-1: d98add3077d1f6d201885e2f79ff7c673c5bcc74 SHA-256: 035edaf253a706a6c64c931052e92d851405a7ec56249454c2db8a50cc8d4332
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

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://fokemale.ru/award?keyword=tssaa+volleyball+score+sheet+pdf PDF link annotation
    • http://lnstagramcopyrightcenter.com/lasifusoin46x.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374986/normal_601b4517520bd.pdfIn PDF document text
    • https://fuwefepitebu.weebly.com/uploads/1/3/4/7/134709748/dafaloxijikezoviwopa.pdfIn PDF document text
    • http://egosikenclub.com/loruzugijx4pj.pdfIn PDF document text
    • http://naturalik.fun/dibasic_sodium_phosphate_pkaq8vrx.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459784/normal_5ff104a968979.pdfIn PDF document text
    • https://vopevejefed.weebly.com/uploads/1/3/1/6/131606133/8527636.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4465545/normal_603e5f5b29355.pdfIn PDF document text
    • http://petrol-v-pol-price.site/math_12_trig_identities_formula_sheetifeai.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409102/normal_5fc8ad3667c79.pdfIn PDF document text
    • http://grantmedica.ru/rohnert_park_petaluma_health_centerg94f8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411694/normal_5fdc4d32a4023.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4407552/normal_5fe14fe6349d7.pdfIn PDF document text
    • http://desajegurake.scienceontheweb.net/gesulot.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4502178/normal_601b509baf4b8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4408187/normal_5fd34ec212890.pdfIn PDF document text
    • https://mewotevavaxaviz.weebly.com/uploads/1/3/1/0/131070751/kezolaxusorimo-lobimanaxonasas-rokavosapes-voxad.pdfIn PDF document text
    • http://lotobajigufar.mywebcommunity.org/gluten_free_casein_free_diet.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/a8045420-4d0e-4da5-9ffe-d89fc00c6fe3/midland_cb_transceiver_75-822_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ad84935d-668d-4398-9d80-08fe1cd4edf7/37030012718.pdfIn PDF document text
    • http://wemaxoseni.myartsonline.com/wahl_cordless_clippers_walmart.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/68df57d9-53d3-4b6e-89fb-e2cce97f77a6/66_printable_books_of_the_bible_summary_sheets.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a9544ec4-9127-416f-adc1-983fc847b7e3/roman_english_quran.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_off0000dabd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDABD 5496 bytes
SHA-256: 06fdfa350660ae9a19dd22bd8c9425ea639b3ec0f5f4123b2a524e73f5991fb8
font_01_sfnt_off0000ed6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED6D 9984 bytes
SHA-256: 2773282849aaa44154932619fac391747b59fcdac608ed9852aa4fc8a9510b5f

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