Malicious PDF — malware analysis report

Static analysis result for SHA-256 2fc6b91e9ed608a4…

MALICIOUS

PDF

73.0 KB Created: 2021-02-21 18:45:45 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-10
MD5: d76b1ec8b0a9968eda5343945d81da9f SHA-1: f44bf29ac8ed16e132e802d7b1a927ca13023bd2 SHA-256: 2fc6b91e9ed608a4ae0b74fd26a11f90b8192a18efb804834419eab7b515f7dd
186 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • 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 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://jottigo.ru/wix?keyword=lab+puppies+for+sale+in+yuma+az PDF link annotation
    • https://cdn.sqhk.co/benibavagoge/ifgfwgf/gnomes_garden_2_walkthrough.pdfIn PDF document text
    • https://cdn.sqhk.co/zaviresodew/jbJV5jc/73602536977.pdfIn PDF document text
    • https://cdn.sqhk.co/sixajuzap/jhMeP6t/xegelewabowezeroliruzo.pdfIn PDF document text
    • https://tuzuvujejoru.weebly.com/uploads/1/3/4/4/134442534/vosafo-bisubuwodonakus-jefatolurunivum.pdfIn PDF document text
    • http://it50off.info/online_coupons_for_harbor_freight_toolscxc00.pdfIn PDF document text
    • http://wegolurubakisud.22web.org/achari_america_yatra_movie_songs_telugu.pdfIn PDF document text
    • https://cdn.sqhk.co/zapiseniw/geBahax/retro_games_for_sale.pdfIn PDF document text
    • http://autoupgrade.website/adventure_capitalist_guide_eventsl0fh9.pdfIn PDF document text
    • https://cdn.sqhk.co/doxowite/ejfShfG/89746750714.pdfIn PDF document text
    • http://vizionsmc.net/puzzle_page_answers_crossword_july_194smo9.pdfIn PDF document text
    • https://cdn.sqhk.co/toxinize/ihFy7zK/q_tickets_movies.pdfIn PDF document text
    • https://cdn.sqhk.co/wovegase/Uo8w1aG/xadasilipomituk.pdfIn PDF document text
    • http://particuliers-societegenerale.xyz/neon_runner_banner4nrh2.pdfIn PDF document text
    • https://cdn.sqhk.co/vizebika/iegejjG/comic_stars_fighting_y8_games.pdfIn PDF document text
    • http://zakofuta.66ghz.com/book_of_enoch_dead_sea_scrolls.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pugupokevimukov.epizy.com/narasimha_songs_320kbps.pdfIn PDF document text
    • https://s3.amazonaws.com/bomifabipi/altered_cast_impression_technique.pdfIn PDF document text
    • http://wetosunonatag.epizy.com/nifukibebevitapo.pdfIn PDF document text
    • https://s3.amazonaws.com/bajapovogam/4460420828.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_off0000e254.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE254 5280 bytes
SHA-256: 85d8291b9404c8450aab2ffcfbe347279cc0f637d9f7be8398f49af4a8e3fdda
font_01_sfnt_off0000f443.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF443 10184 bytes
SHA-256: 593cfa59037264ef5eda3a0eb09c6b169e4baaac7dcf69f72f9c16c0f4751077