Malicious PDF — malware analysis report

Static analysis result for SHA-256 36de658b6ae613c2…

MALICIOUS

PDF

73.2 KB Created: 2021-02-13 11:42:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: d814e73fa7a81a8a2a246b1c786825d2 SHA-1: c8db186fb9852c3b31927f9d820bd3418fc730fa SHA-256: 36de658b6ae613c282db2c60b5b944b83e18c67cf22d6a47c037a1f46affd346
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://baarspo.ru/wix?keyword=dixie+national+forest PDF link annotation
    • http://winwites.space/79571455467apipn.pdfIn PDF document text
    • http://portkamesto.site/iphone_software_update_requested_but_not_ingiar1f.pdfIn PDF document text
    • http://1gusevshop.space/temebuguweceus1.pdfIn PDF document text
    • https://mexupapomumag.weebly.com/uploads/1/3/0/7/130775103/siwalezevejeva.pdfIn PDF document text
    • http://7evenrp.ru/26274192983ckh1a.pdfIn PDF document text
    • https://mikezibe.weebly.com/uploads/1/3/1/4/131453119/6475675.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4472793/normal_60264639e14c1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4473637/normal_5fe95827a07bb.pdfIn PDF document text
    • http://winoraama.space/periodic_table_questions_and_answers_quiz14npo.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4389599/normal_60018a5dee969.pdfIn PDF document text
    • http://ouily.xyz/feltham_prison_reportgsucd.pdfIn PDF document text
    • http://xadebiwivupogof.iblogger.org/barista_starbucks_uniform.pdfIn PDF document text
    • https://luvofebujapima.weebly.com/uploads/1/3/0/9/130969865/38fea6.pdfIn PDF document text
    • http://pihodze.com/97281752089gkiy4.pdfIn PDF document text
    • http://blue-tick-central.com/121437680427apic.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4466379/normal_5fde596a71e6f.pdfIn PDF document text
    • http://labiosdewonda.com/632509611261y2vh.pdfIn PDF document text
    • https://murafasonuralab.weebly.com/uploads/1/3/5/3/135398902/9fdf2ba16f1.pdfIn PDF document text
    • http://gevifavilovaz.22web.org/android_canvas_draw_image_from_file.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://zijemuviwovo.rf.gd/fundamentals_of_programming_using_java.pdfIn PDF document text
    • https://s3.amazonaws.com/gonima/pixunazovakofenupawin.pdfIn PDF document text
    • https://s3.amazonaws.com/tesapibebujep/maradona_by_ykee_benda_mp4.pdfIn PDF document text
    • http://jijetebum.epizy.com/82382866305.pdfIn PDF document text
    • https://s3.amazonaws.com/wavunot/glass_painting_designs_on_glass_sheet.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_off0000e40a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE40A 4828 bytes
SHA-256: e16b45a4ac876aebf0fc0ddecc3b85d4e194cb02d83c7fd7143068067eece591
font_01_sfnt_off0000f494.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF494 10264 bytes
SHA-256: b91b8f27925a5826d7a54c0b753977cdf79f905eadc9c79d89ec0a9bcd9b95fb

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