Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c194d7c146f78b1…

MALICIOUS

PDF

42.7 KB Created: 2020-08-28 00:58:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 6c2b9e5ac578247add821f861141f83b SHA-1: 78e2744b81574f9dc85b021344541847d2f47a41 SHA-256: 2c194d7c146f78b190eac7c21b0cc03ef6f68104341d41ad8e8e69781c8454db
194 Risk Score

Malware Insights

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

The PDF file contains multiple embedded links, with one heuristic specifically identifying a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, contains the URL 'https://ttraff.com/pify?keyword=duke+nukem+forever+graphics+mods', suggesting a lure to a malicious site. Another heuristic indicates a PDF link farm, further supporting the malicious intent of redirecting users to external content. The presence of numerous shopify.com links, while some are benign, are part of a larger pattern of link farming.

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=duke+nukem+forever+graphics+mods In PDF document text
    • http://files.americancollegegenerosity.com/uploads/1/3/0/7/130775707/wimorumax.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/1/0431/3192/8740/files/kibisiwesa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/rowogumidakedodovejizana.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/1011/2163/files/renifokikivexibat.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/2831/6313/files/funoxusojokinukolo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/3029/0327/files/52670806337.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3188/8035/files/11652066667.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/1778/9862/files/magia_cabalistica_gratis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7372/3800/files/duvefimimotu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7258/4861/files/t_c_s_company_information.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 1

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_off000063aa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63AA 5660 bytes
SHA-256: a5ca58c103b961e9ea6179348e3995bfe9f7384b3b6c2e37cf48fa0df128caf7
font_01_sfnt_off000076da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x76DA 12076 bytes
SHA-256: 69c69a8af7e1f01a876824c7bf4eed434cbbc80432055fda2a7d7f8b5a0af3a1

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