Malicious PDF — malware analysis report

Static analysis result for SHA-256 2595bd10cd3c07ad…

MALICIOUS

PDF

36.0 KB Created: 2020-08-09 16:49:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 5b10de1cc5a939841f2b80b1edaeeb3e SHA-1: 1f7d5fcc05370f7b5feccef7003c58597f1714b3 SHA-256: 2595bd10cd3c07ad488da6dd60516477a141bdea80dd092c743b312ae44621aa
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF contains a large number of embedded links, many of which point to a redirector service (ttraff.com). This suggests a link farm or redirection attack designed to obscure the ultimate destination. The document body, though heavily obfuscated, contains the URL that triggered the redirector, indicating the primary attack vector is user interaction with these links. No scripts were extracted, and the PDF structure itself does not indicate exploitation, but rather social engineering via link redirection.

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=bioplasticos+en+mexico+pdf In PDF document text
    • http://files.sekimitsuscholars.com/uploads/1/3/0/7/130775126/89875d4eecc16.pdfIn PDF document text
    • http://files.mollymarrinbasketball.com/uploads/1/3/0/9/130969440/solewizuzojorozar.pdfIn PDF document text
    • http://files.centrepointecincinnati.com/uploads/1/3/1/4/131406413/e08b8.pdfIn PDF document text
    • http://files.fbckilbourne.com/uploads/1/3/2/6/132695280/vapuwasunejobonok.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/1/0431/1613/4562/files/8979582020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/1423/4017/files/10993120265.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/2690/6264/files/60393774770.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/3703/8491/files/download_test_file_10gb.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7143/1065/files/dutawiwunalisemabojujer.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/runuwadobona.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/9765/9294/files/cisco_cyber_ops_210_250.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/5319/5162/files/jiridevig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2951/0814/files/harvard_referencing_style_ukzn.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3486/9921/files/ecotourism_in_south_africa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7248/6564/files/68253674722.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 8

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_off0000500b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x500B 5320 bytes
SHA-256: c53d48de23c445cc09d86090661287be225d50e91aee4f4b3f5f2ff949826bf8
font_01_sfnt_off00006220.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6220 9696 bytes
SHA-256: 3b5692bb95f6e1f75be97b1e13ae952b1d33b445dac23d79197bfe22d7732028

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