Malicious PDF — malware analysis report

Static analysis result for SHA-256 9db6ce4e52a00d09…

MALICIOUS

PDF

48.1 KB Created: 2020-08-06 14:54:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 496cfbd932640a5a4519c0ee6ddd3c66 SHA-1: baf3ad7cafff6dfce31c62cee13683d36c431936 SHA-256: 9db6ce4e52a00d099b5d2fd129942cfb7ed82f94f77a93edfbd28decef1a9229
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/wb?keyword=functional%20behavior%20assessment%20pdf'. This indicates the document's primary purpose is to redirect users to malicious infrastructure. Additionally, the PDF exhibits characteristics of a link farm, embedding numerous external links, many of which are hosted on Shopify. The document body itself is heavily obfuscated but contains the same redirector URL and several other Shopify-hosted PDF links.

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.com/wb?keyword=functional%20behavior%20assessment%20pdf In PDF document text
    • http://togazufi.nateveorganic.com/uploads/1/3/1/3/131384424/74fc1a.pdfIn PDF document text
    • http://files.hydeparkgrenada.com/uploads/1/3/2/8/132814990/8b1f0a1e0a627.pdfIn PDF document text
    • http://files.fieldofdreamshuntprogram.org/uploads/1/3/1/4/131452861/5811546.pdfIn PDF document text
    • http://files.linapunischool.org/uploads/1/3/0/9/130969837/latuwiripudi-musujiwarazimuk.pdfIn PDF document text
    • http://files.mayalissa.com/uploads/1/3/1/4/131408581/2586761.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/1/0431/6341/8784/files/adjectives_prepositions.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3702/3641/files/sistema_de_irrigao_por_asperso_convencional.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4267/6648/files/south_african_cocktail_recipes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/xatet.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/8020/2905/files/xuxalabax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7133/1734/files/83589258217.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3519/7602/files/49452575593.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9029/7507/files/biodiversity_and_its_conservation_mcq_with_answers.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/9127/0563/files/60482990235.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0247/8237/files/74415767586.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 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_off00007d5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D5A 5552 bytes
SHA-256: f660ddc16c391a46ca958275c7a8cd6590202329ac8643d63ed9632b22c7d2a5
font_01_sfnt_off00009010.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9010 10516 bytes
SHA-256: 1403a66f52831b8ee8cb044c1a6fd61a4b3e2c015a99e775331c65e6f929863d

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