Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ffd6337c3ba6455…

MALICIOUS

PDF

70.6 KB Created: 2021-03-03 19:10:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-04
MD5: 07081617c5e19cb6ec6491d20a940ed4 SHA-1: 3dec380777d6811b6ba400ab0df26ff89aa4d939 SHA-256: 7ffd6337c3ba64557ff999e1ddabe251fd1dc39836cde321b8fe08262b3e0d00
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • 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 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://dugedepap.ru/wix?keyword=burgoyne+cards+shop PDF link annotation
    • https://fipekonekuz.weebly.com/uploads/1/3/4/7/134742334/xamozudenaramog-vifora-bupevi-tulivozukozo.pdfIn PDF document text
    • https://cdn.sqhk.co/mujekesire/cjfjhlB/temogibimudelunizel.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4403118/normal_602c4c5518500.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4475866/normal_600d6581654f3.pdfIn PDF document text
    • http://nelasoteduv.22web.org/rifuxejuzaxedepurov.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4373516/normal_60037deead489.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4418191/normal_60042fe754e0b.pdfIn PDF document text
    • https://lolizafopig.weebly.com/uploads/1/3/1/4/131453679/nuwetogosikas.pdfIn PDF document text
    • http://nowtorrentz.com/sword_art_online_video_games_listmgu7h.pdfIn PDF document text
    • http://freefire-gifts.com/dd_character_record_sheet_3.5bqvdn.pdfIn PDF document text
    • https://vupimolafi.weebly.com/uploads/1/3/1/3/131398504/4646943.pdfIn PDF document text
    • https://penosemoboz.weebly.com/uploads/1/3/2/3/132302809/nogiloju.pdfIn PDF document text
    • http://reduslim-buy.site/flying_swords_of_dragon_gate_reviewrw8sj.pdfIn PDF document text
    • http://creamwalls.space/which_rat_had_the_fastest_baseline_metabolic_rateej10b.pdfIn PDF document text
    • http://lnstagramcopyrightservices.org/whirlpool_gold_refrigerator_manual_defrostgf5nn.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4493195/normal_5ff25cfc23925.pdfIn PDF document text
    • http://girizug.22web.org/excel_macro_to_fill_word_template.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://zebofazedixa.rf.gd/netflix_action_movies_2018.pdfIn PDF document text
    • http://wuguwusilabibax.epizy.com/el_coliseo_romano_informacion_para_nios.pdfIn PDF document text
    • http://xugomoxuniwemo.rf.gd/bhairava_movie_songs_in_tamil.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_off0000cb08.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB08 5208 bytes
SHA-256: c5af3f6dd8441b46d297149ed54de2c6fdba75a9b3040061be45229fa28f8b8c
font_01_sfnt_off0000dcb1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDCB1 10140 bytes
SHA-256: 4981575d622cbb04f603015679479f7007b3c7a23fe18be4dc362916ac88b28e
font_02_sfnt_off0000ff1e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF1E 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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