Malicious PDF — malware analysis report

Static analysis result for SHA-256 9463d4f9e2182449…

MALICIOUS

PDF

35.7 KB Created: 2020-08-15 01:55:20 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: da0404e0db995d23df6f4a20f0148763 SHA-1: cf30339319151350a7cc71226d810d886de7c486 SHA-256: 9463d4f9e218244937a095a562c36a9a491fdb2b48d0b39c8bb11c0a33249101
194 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, many of which point to external resources. The primary malicious link, 'https://ttraff.ru/pify?keyword=new+malayalam+movie+kamuki', is identified as a redirector to malicious infrastructure. The document body, though heavily obfuscated, also contains this URL, suggesting an attempt to lure the user to a malicious site. The presence of numerous other links, including many hosted on shopify.com, indicates a link farm or SEO poisoning tactic to distribute the malicious payload.

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.ru/pify?keyword=new+malayalam+movie+kamuki In PDF document text
    • http://files.whistlingfrogresort.com/uploads/1/3/2/6/132681002/masaberilanimubaloji.pdfIn PDF document text
    • http://kenoga.veldresienterprises.com/uploads/1/3/1/6/131606490/9163356.pdfIn PDF document text
    • http://files.tonijesus.net/uploads/1/3/1/4/131437487/nazepigijij.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/1/0434/0423/0805/files/99858988498.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/1104/7575/files/32044957974.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0646/5947/files/built_to_last_jim_collins.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9014/0581/files/pokemon_go_0._29._2.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/5481/6667/files/red_alert_2_download.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/2032/8853/files/93351621112.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4828/7912/files/34783623353.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/6879/1713/files/sosorudumorokexorazegux.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/7185/5002/files/css_center_text_vertically.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3751/5176/files/agora_resumen.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/53262414385.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_off00004f10.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4F10 4844 bytes
SHA-256: 9a36dce86febd9e438ab1265c0684d23e6ce1e2c302960a3ca86579f415b2a69
font_01_sfnt_off00005f9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F9A 10116 bytes
SHA-256: 23986f0f39b0b28903e53877a74a9f67c705dd74f2779d3fc14920a94e22bf6f

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