Malicious PDF — malware analysis report

Static analysis result for SHA-256 8bbb60d31a10e44d…

MALICIOUS

PDF

35.5 KB Created: 2020-08-22 20:49:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-05-08
MD5: 430f7b6031f81d904ac0e1b8657d4976 SHA-1: 613aac6c029ee4d0670b26b5e00d03836a107944 SHA-256: 8bbb60d31a10e44d49fa93195b59ba4a2a919bf46d95888005c1e19418230dfe
194 Risk Score

Malware Insights

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

The PDF file contains a link farm designed to redirect users to malicious infrastructure. The primary malicious URL identified is https://ttraff.ru/pify?keyword=london+fog+twin+sheet+set. While many other URLs point to Shopify, the presence of the malicious redirector indicates a phishing or scam attempt. No scripts were extracted, limiting the analysis of further payload delivery or execution.

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=london+fog+twin+sheet+set In PDF document text
    • http://files.aevamagazine.co.uk/uploads/1/3/0/8/130813427/8429c6ce88b.pdfIn PDF document text
    • http://files.intowishinarts.com/uploads/1/3/0/7/130775286/rosaf.pdfIn PDF document text
    • http://menavu.rawmilkraised.com/uploads/1/3/1/4/131407089/327a4d41.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/1/0429/1392/3228/files/auditoria_libros.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0429/7677/2250/files/minecraft_troll_commands.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/5836/2518/files/ganita.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/1016/9759/files/68352559639.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/5205/6227/files/21781192969.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0431/8907/6117/files/fofovevuvazumogerokim.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0435/2511/1967/files/wopidonelifofirekax.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/0635/9713/files/74744520889.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0432/2328/5928/files/68499827291.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0430/7140/6237/files/limis.pdfIn PDF document text
    • https://cdn.shopify.com/s/files/1/0438/4843/3829/files/bright_line_eating.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
🗂 Part of campaign: intowishinarts.com 5 samples

Related samples 5

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_off00004fe5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FE5 4864 bytes
SHA-256: dfe9c3f9d7ddd050dbc4a0e19d0f3ab547bbdac41fb210c9d3d6e33d40a9aeea
font_01_sfnt_off00006095.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6095 9620 bytes
SHA-256: 76ea7b56901d30bb1c34bb928f0bedab5491f782644bf22b5bde1865d1d1a148

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