Malicious PDF — malware analysis report

Static analysis result for SHA-256 d336f4d8b8e2fef8…

MALICIOUS

PDF

46.8 KB Created: 2020-08-03 06:39:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: 9d3208f746c876a94244f76caca16ce5 SHA-1: 5b50f26abfd53daa657cd21306376d5b961cc3e8 SHA-256: d336f4d8b8e2fef8f673bcd0a721a736b04755e4ace65f7e8767e42da3a1ce0c
194 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains text referencing a script to move the mouse and the malicious URL. This suggests a social engineering lure to redirect the user to a malicious site. The presence of numerous other PDF links, many hosted on Shopify, indicates a link farm strategy, likely to obscure the primary malicious destination.

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=script+to+move+mouse+every+few+minutes In PDF document text
    • http://files.loveayianapa.com/uploads/1/3/1/4/131406841/tivokitigibo.pdfIn PDF document text
    • http://files.haciendasonoma.com/uploads/1/3/2/7/132740218/7130198.pdfIn PDF document text
    • http://files.vibertview.net/uploads/1/3/1/6/131606366/roduvugawolavu-kemizuz-nuwoxa.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/1/0431/8461/9680/files/98831064669.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/3692/5342/files/tamug.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/9160/7190/files/28488281669.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/2626/5765/files/88384679683.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9567/8357/files/47101637648.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0440/1538/6789/files/woduva.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1820/6887/files/lotikodiruvejagevizewu.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/8524/1256/files/gedopegasatilelozofi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/8941/8657/files/73629739052.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/2270/5055/files/29516681644.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/4244/7261/files/mukadidenig.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/5082/6919/files/27409814014.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9348/2902/files/fabuj.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000611b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x611B 5276 bytes
SHA-256: aa75212b7ee47ddd9033009710642947072e0c521ffe3b73f5fa2b379acc82ff
font_01_sfnt_off00007317.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7317 10820 bytes
SHA-256: c1a84269c5c3deea73bb9d18c67689cbfc14a8493fc6d5a5d7f1d49471a6cea6
font_02_sfnt_off0000984b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x984B 16312 bytes
SHA-256: 531e37f64a2e7dc3bfb257675d9e6c644c7b1597f33ba9a969cd005a7ed65660