Malicious PDF — malware analysis report

Static analysis result for SHA-256 f96381fc9c35b089…

MALICIOUS

PDF

64.1 KB Created: 2021-02-11 15:36:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 8f8e68159b945066f30c26fbf1f60eb9 SHA-1: abfb925fede519c366932cd63a967a5220e544d5 SHA-256: f96381fc9c35b089c9898cbfa685c9d4d7eae19f29caf69feef0cba57cf92cd9
146 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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.
  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
  • 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://maypoin.ru/wix?keyword=harbor+freight+manual+atv+tire+changer PDF link annotation
    • https://cdn.sqhk.co/pivugituxi/TjdMbAi/retro_games_plus_newington.pdfIn PDF document text
    • https://cdn.sqhk.co/pevukoza/gfnRU4p/rejapizakosuxuxogi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4487192/normal_601c7bd8cec15.pdfIn PDF document text
    • https://gixatupugibezi.weebly.com/uploads/1/3/5/2/135296842/cd57a0b8a540c4.pdfIn PDF document text
    • http://xadixul.66ghz.com/julaxu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4417212/normal_6021848c5471a.pdfIn PDF document text
    • https://juwomazitebuden.weebly.com/uploads/1/3/1/4/131414743/4581646.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4420434/normal_5fcd6a965fafa.pdfIn PDF document text
    • https://cdn.sqhk.co/dodagirojep/UQ3hbGl/color_change_photo_editor_app.pdfIn PDF document text
    • https://cdn.sqhk.co/gobuwovuv/tNLCibM/zuwonax.pdfIn PDF document text
    • https://tivufotevomok.weebly.com/uploads/1/3/2/6/132682035/zubisodo_pamixedu.pdfIn PDF document text
    • https://juzopuxenepin.weebly.com/uploads/1/3/5/3/135383483/5128158.pdfIn PDF document text
    • https://cdn.sqhk.co/gasajolop/efSiat3/19263985668.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378381/normal_5ffcabad55a3e.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jusaxokipumata.rf.gd/63771172509.pdfIn PDF document text
    • https://s3.amazonaws.com/tokafanawa/immunoglobulin_g_function.pdfIn PDF document text
    • http://xalovizavana.rf.gd/75169672953.pdfIn PDF document text
    • https://s3.amazonaws.com/dabatisew/rosagijopig.pdfIn PDF document text
    • http://soromerib.epizy.com/bookworm_adventures_2_free_pc.pdfIn PDF document text
    • http://pititonekeget.epizy.com/ayso_united_coaching_manual.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_off0000bc93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC93 5280 bytes
SHA-256: ab8afec9a97e1b94b259567196521ebe5b862948112962a7c2546c70ec8be735
font_01_sfnt_off0000ce70.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE70 10680 bytes
SHA-256: d57e857a1e7ebf626b54d92d4aab8d24f381c11590160868776fe707016440cb

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