Malicious PDF — malware analysis report

Static analysis result for SHA-256 de5613338bdc8825…

MALICIOUS

PDF

69.1 KB Created: 2021-02-26 16:41:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-04-25
MD5: 41a02198529929d4ef277ff77a724f91 SHA-1: bdc92bee6da106780930ed63bc5a892d162f6dc8 SHA-256: de5613338bdc8825b97a2ece893fb8d0319292d6a9f8e832bd165225e5085350
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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/wix?keyword=schlage+gf3000+manual PDF link annotation
    • https://kopopoxewa.weebly.com/uploads/1/3/4/5/134597570/2651913.pdfIn PDF document text
    • https://fofifakexetag.weebly.com/uploads/1/3/4/3/134345684/9649697.pdfIn PDF document text
    • https://cdn.sqhk.co/pibepufas/3YJhbic/eastern_pewee_sounds.pdfIn PDF document text
    • http://lnstagramverifiedsbadgesforms.com/42175567787jl6p.pdfIn PDF document text
    • https://cdn.sqhk.co/budotedo/gficFhc/38130353732.pdfIn PDF document text
    • http://natural-shop.info/warrior_cats_name_generator_wattpad77ysk.pdfIn PDF document text
    • http://qunit.space/zonurigabetenawago8xjg9.pdfIn PDF document text
    • http://naturaleone.space/fivukozoh8ya.pdfIn PDF document text
    • https://cdn.sqhk.co/xedomobedusi/dlnnhjp/need_for_speed_no_limits_hack_android_apk.pdfIn PDF document text
    • https://cdn.sqhk.co/bozogekeji/jdghfjd/kekasewovidasupewoj.pdfIn PDF document text
    • http://metazoaapc.fun/what_does_economic_freedom_mean_to_youpjxtk.pdfIn PDF document text
    • https://cdn.sqhk.co/womilepeba/TPid3jf/15931968251.pdfIn PDF document text
    • http://miiliioner.xyz/download_game_toon_clash_chess_mod_apkgo6pi.pdfIn PDF document text
    • https://jejofiwapo.weebly.com/uploads/1/3/5/3/135312812/xodiva_fubunoxamapide_rapebujep_bulikizenibuxu.pdfIn PDF document text
    • https://lodavoxi.weebly.com/uploads/1/3/4/5/134505118/muvuwiwozokazitubuse.pdfIn PDF document text
    • http://verification-help.business/nonefuziskb31.pdfIn PDF document text
    • https://vugesajovor.weebly.com/uploads/1/3/4/2/134265649/paviv.pdfIn PDF document text
    • http://kyponnik.online/tom_clancys_rainbow_six_siege_-_ultimate_edition_year_4lu000.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
    • http://xijodakofifo.epizy.com/2005_ford_focus_repair_manual.pdfIn PDF document text
    • http://tiwufuwivuvuf.epizy.com/96515265293.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_off0000c45d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC45D 5072 bytes
SHA-256: 5add45f110fc7bb2700fdb7b96e0cec80855593c99fb7b8687da761ab090781c
font_01_sfnt_off0000d57a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD57A 10304 bytes
SHA-256: ccd1f804b0b5e02875ea27e37512c0cbb02ffa26a71cfa062dd6b5f4b542c905
font_02_sfnt_off0000f7bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7BB 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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