Malicious PDF — malware analysis report

Static analysis result for SHA-256 94994c728ebd1160…

MALICIOUS

PDF

71.9 KB Created: 2021-01-16 05:24:10 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-04-11
MD5: 5f096b1ff7fd6ebcb55c883bb85cd3d6 SHA-1: ca20c86234e043863cc38ce2cc6e4e0c519d791d SHA-256: 94994c728ebd1160a851c07f32e07948001a3fbc6ccb0f390a0f0a8632e500d5
244 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://site-1171384.mozfiles.com/files/1171384/anti_lock_braking_system.pdf In PDF document text
    • https://gadevonetikob.weebly.com/uploads/1/3/4/3/134358307/1fd0ae4ba.pdfIn PDF document text
    • https://suganolorifumu.weebly.com/uploads/1/3/0/8/130814011/jusesoruluju.pdfIn PDF document text
    • https://s3.amazonaws.com/zodawanuror/college_football_picks_week_6_bleacher_report.pdfIn PDF document text
    • https://site-1175150.mozfiles.com/files/1175150/34425182888.pdfIn PDF document text
    • https://site-1166617.mozfiles.com/files/1166617/lupobube.pdfIn PDF document text
    • https://korenumotijele.weebly.com/uploads/1/3/4/6/134687452/9884514.pdfIn PDF document text
    • https://site-1167951.mozfiles.com/files/1167951/nova_launcher_pro_apk_download.pdfIn PDF document text
    • https://zodemabu.weebly.com/uploads/1/3/4/8/134896511/lajined_pifuraf_zomazar.pdfIn PDF document text
    • https://zuseluxutiv.weebly.com/uploads/1/3/4/6/134686448/vodipejuno-wasarax.pdfIn PDF document text
    • https://s3.amazonaws.com/dagasopones/magic_the_gathering_format_standard.pdfIn PDF document text
    • https://site-1178961.mozfiles.com/files/1178961/billie_holiday_biography.pdfIn PDF document text
    • https://s3.amazonaws.com/dudigonifu/vavuxewutam.pdfIn PDF document text
    • https://gettraff.ru/wb?keyword=color%20block%20for%20designers%20suitIn PDF document text
    • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000de40.bin)
    • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000de40.bin)
    • 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 extracted file (font_00_sfnt_off0000de40.bin)

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000de40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE40 5088 bytes
SHA-256: 2cf4c29f76cf644efe84b450d6ae734f16bb9b2ce95c5b72b0f0643860ce81c0
font_01_sfnt_off0000ef9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF9D 10324 bytes
SHA-256: 655676ce62be0f1c68ad888c77544793f9e32909b8c9f46fffd3571a4036e2bd

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