Malicious PDF — malware analysis report

Static analysis result for SHA-256 9f297a3fe06c2c08…

MALICIOUS

PDF

56.4 KB Created: 2020-08-14 05:44:46 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 4d84cd287504ac9274593c4d9601b870 SHA-1: 79d626fcc2c99f30aa6bf0f93c98326af3cb6399 SHA-256: 9f297a3fe06c2c0823b9fed9e5490b81722973999ff6940509705c4de93fe141
194 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. The document body, though heavily obfuscated, contains text related to 'Kadamban hd movie single part', suggesting a lure for users seeking entertainment content. The file also exhibits characteristics of a PDF link farm, with numerous embedded URLs, many of which point to Shopify domains, likely for SEO manipulation or to host further malicious content. The primary malicious URL is used to redirect users to potentially harmful sites.

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=kadamban+hd+movie++single+part In PDF document text
    • http://tabegulas.hebrewthroughmovement.org/uploads/1/3/2/8/132815367/kezis.pdfIn PDF document text
    • http://files.kingfisher-strategy.com/uploads/1/3/2/6/132681916/9238505.pdfIn PDF document text
    • http://files.angelteachings.com/uploads/1/3/0/7/130776368/nukugu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7201/1941/files/wilder_thistlenettle_stormwind_vanilla.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/puwojadudabub.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7384/6952/files/fowidagebipivoditituvopa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7404/4579/files/abendstern_schubert.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4048/9122/files/inductive_bible_study_guide.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/8341/5204/files/pinumowo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/4658/3976/files/besowovowobo.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7433/8454/files/46811863246.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7650/2175/files/54682543083.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 2

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00009373.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9373 5328 bytes
SHA-256: f8dd09a4d7b7a634b449dfa7e5a9b30e5f3f82c42fe4b0cc91245696010320a5
font_01_sfnt_off0000a562.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA562 9560 bytes
SHA-256: 212ff4e1321625d65a4c197b03e74c244438e16d6e3fa6216977cc84f85807f3
font_02_sfnt_off0000c634.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC634 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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