Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4f97c113024c30d…

MALICIOUS

PDF

73.2 KB Created: 2021-03-07 10:56:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 6822848bc527ff5c9941cbdcbe9b5880 SHA-1: c89cfeafa8c1f00ace09dd82040626736ed2b336 SHA-256: a4f97c113024c30d227e8ceda066fbb42d26d4a37ad56b5d53f321e64b992e52
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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=how+many+carbs+in+a+soft+chicken+taco PDF link annotation
    • http://penageli.getenjoyment.net/tuck_everlasting_chapter_10_questions_and_answers.pdfIn PDF document text
    • http://legegapepapo.medianewsonline.com/wordpress_username_and_password_in_database.pdfIn PDF document text
    • http://gejesixave.scienceontheweb.net/32845720383.pdfIn PDF document text
    • http://wejesigozolireb.getenjoyment.net/15658797095.pdfIn PDF document text
    • http://wssummer.space/path_of_exile_the_baron6i8fa.pdfIn PDF document text
    • https://movediwifed.weebly.com/uploads/1/3/2/6/132695881/f6fce.pdfIn PDF document text
    • http://electriccannoz.club/dark_cloud_2_milanegpbxb.pdfIn PDF document text
    • https://ponatuxo.weebly.com/uploads/1/3/4/5/134596183/9ad7f804a10c6d.pdfIn PDF document text
    • http://ceter.xyz/yoga_pose_cards_printablevacir.pdfIn PDF document text
    • http://salearea.pro/feature_update_windows_10_1803_manual_downloadlxi6t.pdfIn PDF document text
    • https://zesaxigupube.weebly.com/uploads/1/3/4/0/134016892/piroworisobibu_pibogilinolil_tinuxobigi_budujomoxawa.pdfIn PDF document text
    • http://josebixotarez.22web.org/tuxowitujijefu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4478926/normal_6032203a36ca9.pdfIn PDF document text
    • http://registrat.space/97929281358a7llh.pdfIn PDF document text
    • http://fitit.space/86996177402lspq.pdfIn PDF document text
    • http://lnstagramverificationbadge.com/comptia_a_study_guide_10016vzjq.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470401/normal_5fcb30827cce2.pdfIn PDF document text
    • http://jumbochecker.com/sigma_notation_formula0uw3t.pdfIn PDF document text
    • http://qupieasy.online/hcu_entrance_exam_2017_answer_keyqfub3.pdfIn PDF document text
    • http://ergors.space/60413230769e1nh7.pdfIn PDF document text
    • https://motovonesavot.weebly.com/uploads/1/3/4/6/134690882/logiwe-zidibevozajo-soxajumugositem.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://goxojerodumofag.epizy.com/vifibuzigojux.pdfIn PDF document text
    • http://wawugodeti.epizy.com/lord_of_the_rings_cast_then_and_now.pdfIn PDF document text
    • http://nejesezape.myartsonline.com/add_2nd_edition_character_sheet_excel.pdfIn PDF document text
    • http://rowagaparik.rf.gd/kindle_paperwhite_lee_formato_epub.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_off0000e1cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE1CD 5448 bytes
SHA-256: c0c68b2f3f4f75c4e2ce4fea54e734935ec1d75c6a38682a077705654e85fe64
font_01_sfnt_off0000f438.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF438 10092 bytes
SHA-256: 4edccc4eacda35c8dc27e9e27c637f87ef6409f3eb93e297a4189b9dedb37fdb