Malicious PDF — malware analysis report

Static analysis result for SHA-256 17fa036cbed29e09…

MALICIOUS

PDF

47.6 KB Created: 2020-07-31 13:01:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 76ff225d018b98bbf53827af70f0e3a7 SHA-1: 94352f9c3d63807553f967a974b419e209685242 SHA-256: 17fa036cbed29e09c4f9681cc86e4c827398a4cd1311022022f6ac7c1a3a6fa3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains numerous links to redirector infrastructure, specifically identified as a malicious redirector by the 'PDF_MALICIOUS_REDIRECTOR_LINK' heuristic. The 'PDF_SEO_LINK_FARM' and 'PDF_SEO_UTM_REDIRECTOR_LINK' heuristics indicate that the document is part of a link farm designed to lure users through SEO tactics, likely for phishing or malware delivery. The ML classifier also strongly indicates maliciousness.

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/pify?keyword=alimentation+%25C3%25A9quilibr%25C3%25A9e+pdf In PDF document text
    • http://files.wellesleypops.org/uploads/1/3/0/8/130874317/xefemiluge.pdfIn PDF document text
    • http://files.michaelroldham.com/uploads/1/3/1/8/131872021/f9867.pdfIn PDF document text
    • http://files.edgewaterinnandriversidegrill.com/uploads/1/3/1/4/131406108/3115847.pdfIn PDF document text
    • http://files.canadaimmigration-lawyer.com/uploads/1/3/1/6/131636697/sevujafajupaveteduxi.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/1/0431/1977/1799/files/vofazugupilije.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/14490041284.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6146/8567/files/filiwivetefizaludato.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/kofuka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9033/7189/files/ruxezuxijuzis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/7593/5135/files/29934884716.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4729/6924/files/39758478398.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9033/7189/files/39839312853.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/2934473971.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/6509/5845/files/4839994877.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3606/5435/files/gulukovisebewegulijimi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/4211/1650/files/42450305780.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3712/1951/files/zupaxaratunutukenale.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 4

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_off000077c8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x77C8 5288 bytes
SHA-256: 431a5eb11418375bf3bc887160be05bc6fdc928e8a270407b60808a484f1e46f
font_01_sfnt_off00008951.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8951 12272 bytes
SHA-256: f4a5ecfb37b4bc691434a1464e25df445c8a49504e8ca2492e8c5a38fcaffaf9

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