Malicious PDF — malware analysis report

Static analysis result for SHA-256 94174008c2090707…

MALICIOUS

PDF

70.9 KB Created: 2021-01-15 15:41:00 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-12
MD5: 5ef9121accd37251141ee22ac6e6102d SHA-1: a7624827f47faacb4d16eb3569ab27b2a79c5402 SHA-256: 94174008c2090707cf548ac42ce200532db24efdf1524f820a9bdddfc4485046
136 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9967

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
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://trafffe.ru/wb?keyword=unicorn%20runescape%20summoning PDF link annotation
    • https://site-1174958.mozfiles.com/files/1174958/68012566731.pdfIn PDF document text
    • https://cdn.sqhk.co/pumopivosoba/cmxHenk/94689533487.pdfIn PDF document text
    • https://site-1177214.mozfiles.com/files/1177214/new_xbox_app_beta_ios.pdfIn PDF document text
    • https://vexefanakaxaki.weebly.com/uploads/1/3/4/8/134871487/tutunuzolif_dagut_mukogor.pdfIn PDF document text
    • https://site-1200530.mozfiles.com/files/1200530/vejaxumosuzegulaguxanut.pdfIn PDF document text
    • https://site-1248249.mozfiles.com/files/1248249/hbse_open_form_last_date_2016.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/niporofez/4043941391.pdfIn PDF document text
    • https://s3.amazonaws.com/wofaxil/41941127307.pdfIn PDF document text
    • https://s3.amazonaws.com/fibesezati/vizha_movie_tamilplay.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_off0000d9af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9AF 5212 bytes
SHA-256: 2bf3eded591ab376bebb044651a8191d1d53b297501b5af2ed1b90a3a87c86c9
font_01_sfnt_off0000eb5b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB5B 10600 bytes
SHA-256: d1a6ef096075d72f6a5af3934317ab53a0e87d50844a0d23f02fe815a02507ef

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