Malicious PDF — malware analysis report

Static analysis result for SHA-256 8be0bead79247e1c…

MALICIOUS

PDF

66.4 KB Created: 2020-08-01 13:51:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 64712d799638b6179e7860e83f74bf97 SHA-1: e1d9b69c708ed467832cd9786b4374a3c77e0216 SHA-256: 8be0bead79247e1c9396311fb28ce76e125acb6ed863931dfc82c94233a6661b
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 'https://ttraff.com/pify?keyword=git+diff+file'. Additionally, it exhibits characteristics of a PDF link farm, with numerous external links, including one to 'https://cdn.shopify.com/s/files/1/0433/8856/7706/files/ti._paper_trail_torrent.pdf'. The document body, though heavily obfuscated, contains the same redirector URL, suggesting the primary intent is to redirect the user to malicious infrastructure.

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=git+diff+file In PDF document text
    • http://files.louisvillehealth.org/uploads/1/3/1/4/131483685/da8871ca6b1c0.pdfIn PDF document text
    • http://files.johnmac13.com/uploads/1/3/1/8/131871499/4159539.pdfIn PDF document text
    • http://files.niliglass.com/uploads/1/3/1/8/131871462/3760250.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/1/0433/8856/7706/files/ti._paper_trail_torrent.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0708/0610/files/13590337447.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6997/2383/files/noporolomemogalojeputin.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/9751/3381/files/nusep.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6191/1458/files/44145857377.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/6974/2999/files/25661986223.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/1047/3633/files/30123640340.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/0419/8044/files/45348329979.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/7273/2836/files/8956128254.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/7699/3695/files/67523991080.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/0664/7717/files/kakuxow.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 3

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_off0000bd31.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBD31 4448 bytes
SHA-256: 59b7a0aeeb059f172531e5ce5cfe0ebced07e8ab1d6cdcdec061f36201d58bea
font_01_sfnt_off0000cc6c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCC6C 15180 bytes
SHA-256: 92fd224d123b228fbdfaab770d3bfa24fe3393ff1f1dce77abd799c5a4c6af30

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