Malicious PDF — malware analysis report

Static analysis result for SHA-256 9796d55c58086a49…

MALICIOUS

PDF

67.9 KB Created: 2021-02-25 06:15:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 4d06f50d4b66a43d52f484678f2ef35f SHA-1: 3e031e08761aade02b95648b203b292c42fe7e72 SHA-256: 9796d55c58086a49cb76d4f3a3d77bbf69378fc819e5f912e11aca0f745f9414
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://bologen.ru/award?keyword=nomadic+furniture+3.0 PDF link annotation
    • http://teplotronic.ru/download_samsung_j700m_full_firmwareyf55d.pdfIn PDF document text
    • https://cdn.sqhk.co/moturira/iivhade/chase_bliss_automatone_preamp_mkii_review.pdfIn PDF document text
    • http://avbox.org/can_you_remarry_after_an_annulmentrppjl.pdfIn PDF document text
    • http://septiki-rf.website/zakafenumi6gl1d.pdfIn PDF document text
    • http://creditscorehelp.info/2008_cadillac_sts-_v_owners_manual83lf5.pdfIn PDF document text
    • http://tronreserve.online/95245453936ix9ic.pdfIn PDF document text
    • http://trikolor.site/90285397417m6b0i.pdfIn PDF document text
    • https://cdn.sqhk.co/kasuvapexal/dicjb3y/42394867028.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473926/normal_602b55f3669c9.pdfIn PDF document text
    • https://cdn.sqhk.co/luxixumogez/ifuhfZf/calculator_soup_mixed_numbers.pdfIn PDF document text
    • https://cdn.sqhk.co/jelasusoved/hJgcRoW/naxibevopiwumukipuzosap.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456999/normal_5fcf31c759c00.pdfIn PDF document text
    • https://cdn.sqhk.co/veludewozen/idjbgiG/tasty_words_level_11_answers.pdfIn PDF document text
    • http://rankingcoach-apps.com/68987200346sneyz.pdfIn PDF document text
    • http://ig-mediateam.net/40919728804w7jn7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4374175/normal_5fdae93fa5a75.pdfIn PDF document text
    • https://cdn.sqhk.co/zaviresodew/IqYIhbv/crazy_zombie_9._0_hacked_pais_delos_juegos.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/sajatesawodiji/batman_arkham_origins_pc_softonic.pdfIn PDF document text
    • https://s3.amazonaws.com/xajowu/forming_aniline_from_nitrobenzene.pdfIn PDF document text
    • https://s3.amazonaws.com/xakajoziwibi/who_owns_90_of_the_worlds_wealth.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c11d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC11D 5148 bytes
SHA-256: 32c8d04c4b93df1f19705a18bd641ced51bdca6bcbde31e5ed83515fdcd4bb6b
font_01_sfnt_off0000d285.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD285 9908 bytes
SHA-256: cfdb74250f353d0baf18eb4758b10d48054d31d5919b00e34f9a0e1b46e9fe7e
font_02_sfnt_off0000f473.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF473 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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