Malicious PDF — malware analysis report

Static analysis result for SHA-256 d678ccfef8dcc230…

MALICIOUS

PDF

63.9 KB Created: 2021-02-16 05:45:31 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 798639769e754199e61329250fea2245 SHA-1: 42d5c32a06b0fd46bdbe52fe793b955e42140dc0 SHA-256: d678ccfef8dcc2307a2f6eb3f6f5e0fb12e22e59ac3210fd75abb37b8ac31ed1
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://maypoin.ru/wix?keyword=tg1200+generator+parts PDF link annotation
    • https://cdn.sqhk.co/kilalovuge/idgeZge/water_slide_rentals_utah.pdfIn PDF document text
    • https://dopilefuma.weebly.com/uploads/1/3/4/7/134733068/daxuneg.pdfIn PDF document text
    • https://noxagutut.weebly.com/uploads/1/3/4/4/134483949/17cf45.pdfIn PDF document text
    • https://cdn.sqhk.co/xafelaxadoju/CicSig7/22671885425.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403940/normal_5fe8669a75bc5.pdfIn PDF document text
    • https://rosunitekuw.weebly.com/uploads/1/3/1/3/131384708/2006705.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465545/normal_5fcc82f4dc3a2.pdfIn PDF document text
    • https://cdn.sqhk.co/vefusujix/jhvgjig/muxogurimunijatulitu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4428045/normal_5fe83ccd72680.pdfIn PDF document text
    • http://tegeboxurogon.iblogger.org/buddha_hoga_tera_baap_movie_hd.pdfIn PDF document text
    • https://cdn.sqhk.co/futevanu/Vhb2ifN/dj_sound_mixer_software_free_download_for_pc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391015/normal_5fe789bed0fdd.pdfIn PDF document text
    • https://sazizilas.weebly.com/uploads/1/3/0/8/130874530/4743030.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://rojapamun.epizy.com/11203681292.pdfIn PDF document text
    • https://s3.amazonaws.com/duzexefemosaxe/rotamujakumivagelu.pdfIn PDF document text
    • http://fomobiwudaz.rf.gd/transunion_mailing_address_to_request_credit_report.pdfIn PDF document text
    • http://pisasegobure.epizy.com/asexual_and_sexual_reproduction.pdfIn PDF document text
    • http://zikefibuji.rf.gd/bodyguard_movie_song_i_love_you.pdfIn PDF document text
    • http://xozelabudizi.epizy.com/11656536769.pdfIn PDF document text
    • https://s3.amazonaws.com/metakibeme/bojegesisagasufukeveriv.pdfIn PDF document text
    • https://s3.amazonaws.com/fejififimaketo/44854593360.pdfIn PDF document text
    • https://s3.amazonaws.com/wixamupelinere/formation_agent_gnral_d_assurance_axa.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_off0000bf14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF14 5232 bytes
SHA-256: d60e55ea4bed154d287bfa31c88615f915d83c1772fee7ae70b2ca39ed59d8b6
font_01_sfnt_off0000d0f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD0F4 9892 bytes
SHA-256: b2751a7307911b4b3b2743e23861eac2c7bc978d377d45952d781c50d8266831

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