Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e79965f1a30c17e…

MALICIOUS

PDF

35.3 KB Created: 2020-08-01 11:23:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-09
MD5: eb02f86155011e1817f09a9f798cbc57 SHA-1: b6c9f765c2fa30ebf30a10a5dead2a269ead4cf1 SHA-256: 3e79965f1a30c17edd2d4574ba9b38a6edbfcc88a44dd7c57694283c33e52fcb
194 Risk Score

Malware Insights

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

The PDF contains a link to a known malicious redirector, ttraff.com, which is designed to send users to further malicious content. The document body, though heavily obfuscated, contains this URL and other links to PDF files hosted on Shopify, suggesting a link farm or redirection strategy. The ML classifier also strongly indicated maliciousness.

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=osrs+dragon+boots In PDF document text
    • http://files.vaughnara.com/uploads/1/3/0/8/130814402/9350035.pdfIn PDF document text
    • http://files.yoganurse.net/uploads/1/3/0/7/130776745/nubumulisopida.pdfIn PDF document text
    • http://files.janets-table.com/uploads/1/3/1/1/131164425/xumuvolufapuzi.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/1/0434/3519/6568/files/88077086848.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/0896/6307/files/mimagagoxazasesupa.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0434/7117/5832/files/527027897.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/3197/8403/files/sanafasef.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0437/5281/6798/files/lovow.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/0658/3203/files/84667186344.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8298/1278/files/sonusibut.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0436/9298/2427/files/farapoxupulumekemojegawi.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/5337/5897/files/29032713102.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0428/9432/7975/files/zikabiligaxuka.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0433/6310/6968/files/42704223080.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_off00004bb9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4BB9 5128 bytes
SHA-256: c6fead52a57b809cf5c2f8111c9fd06d84938c8738d564701e5392ba5bcde092
font_01_sfnt_off00005d2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D2D 10528 bytes
SHA-256: fe0039d8a2ac8aaca5d9964fdb063ec8a38f81cb07338163bc4512e2a6e23f1d

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