Malicious PDF — malware analysis report

Static analysis result for SHA-256 3beca794e5f86c4a…

MALICIOUS

PDF

45.3 KB Created: 2020-08-02 10:38:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 640c7d9801dd8ced700288f4edce1f87 SHA-1: a89bf0187e5f659bc6e7c0796e5bc906134a1a5c SHA-256: 3beca794e5f86c4ad0a60b93d8be7dc6f6ad1e2738f9d99faa5504f61642cda3
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains a significant number of embedded links, with one specifically identified as a malicious redirector. The document body, though heavily obfuscated, contains the URL 'https://ttraff.ru/pify?keyword=elemental+shaman+hearthstone', which is flagged as malicious. The presence of numerous other links, many pointing to Shopify domains hosting PDFs, suggests a link farm or redirection strategy. The primary intent appears to be directing users to potentially harmful external content through these 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.ru/pify?keyword=elemental+shaman+hearthstone In PDF document text
    • http://files.bridlevale.com/uploads/1/3/0/7/130775838/2025624.pdfIn PDF document text
    • http://files.kilookas.com/uploads/1/3/1/4/131407695/vogagotinufokaxipiw.pdfIn PDF document text
    • http://files.pulse-studios.co.uk/uploads/1/3/0/8/130873738/vevob.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/1/0429/6163/3439/files/57216983020.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5797/1354/files/50014366824.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2638/9912/files/add_event_listener_to_multiple_elements.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3655/6962/files/22578891855.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2742/3654/files/73279531822.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/7103/6823/files/newagoregaputawiwopev.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/8299/7148/files/vapebexokowip.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/2207/2480/files/dragon_ball_full_episodes.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0439/0407/3880/files/laxapozofap.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/3953/8851/files/12116266932.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/3886/7607/files/66472857996.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/6090/4604/files/nenutinexabamosesujunag.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/5331/8298/files/52105004156.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_off00007438.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7438 4884 bytes
SHA-256: 9a0425233a04f001b10f26ce82f5a83125af3c995a74df978dd33c09bd2a2ace
font_01_sfnt_off0000849f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x849F 10588 bytes
SHA-256: de850d899783bddd32b0cdd0f041013d9fb5ffbea12948d33e40d91926ba067e

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