Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f0742693b705a61…

MALICIOUS

PDF

42.2 KB Created: 2020-08-06 17:26:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: b635249a1375d5e945bb2025d1125ef0 SHA-1: bc2b2427fac14f1344e3dd9efbc46e7e9c5b367e SHA-256: 8f0742693b705a616ff69e4f3e42322cef3b238a5771a09fa83f846b7c2d05ec
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a mass of external links, many of which point to a link farm designed to host further PDF files. One critical heuristic identified a link to a known malicious redirector, ttraff.cc, which is used to obscure the final destination. The document body, though heavily obfuscated, contains the URL that triggers the redirector, suggesting a lure to download malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • 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.
  • 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://ttraff.cc/pify?keyword=practical+law+of+attraction+pdf In PDF document text
    • http://files.bombersdiscs.com/uploads/1/3/0/8/130814127/duwenupatu.pdfIn PDF document text
    • http://files.romeprivatetransfers.com/uploads/1/3/1/8/131856108/74e11f899.pdfIn PDF document text
    • http://files.iwasasleddog.com/uploads/1/3/0/9/130969963/loxepirajawu-sonona-wujemebaxiruge-womupezuxemax.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9146/7176/files/bogiwabigunurif.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/30547733638.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2750/4032/files/60193023602.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7386/2808/files/zetuzajej.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0427/9199/3500/files/sefedifixiredimenos.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6377/9236/files/98305998458.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7329/7822/files/lukekedarud.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0448/0273/6279/files/sql_database_interview_questions_and_answers_for_freshers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/4525/6344/files/60839915151.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1949/3785/files/lagutani.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9701/2890/files/jekudufisepasadutidam.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2623/4009/files/interview_questions_on_sql_queries.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

Related samples 6

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_off0000670b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x670B 5064 bytes
SHA-256: 90e5a52ad643166ae83bfd28b6abdb2c9b1756d5cbcedf68a2be649617f83ca1
font_01_sfnt_off00007868.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7868 10756 bytes
SHA-256: 52f312c6dee0c1f8d439cbf8a9927f92b308bc28a6cd4c6bc6f08c64b6de73d0

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