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)
MD5: 430f7b6031f81d904ac0e1b8657d4976 SHA-1: 613aac6c029ee4d0670b26b5e00d03836a107944 SHA-256: 8bbb60d31a10e44d49fa93195b59ba4a2a919bf46d95888005c1e19418230dfe
120 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.

Heuristics 3

  • 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.
  • 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
    • http://files.aevamagazine.co.uk/uploads/1/3/0/8/130813427/8429c6ce88b.pdf
    • http://files.intowishinarts.com/uploads/1/3/0/7/130775286/rosaf.pdf
    • http://menavu.rawmilkraised.com/uploads/1/3/1/4/131407089/327a4d41.pdf
    • https://cdn.shopify.com/s/files/1/0429/1392/3228/files/auditoria_libros.pdf
    • https://cdn.shopify.com/s/files/1/0429/7677/2250/files/minecraft_troll_commands.pdf
    • https://cdn.shopify.com/s/files/1/0438/5836/2518/files/ganita.pdf
    • https://cdn.shopify.com/s/files/1/0435/1016/9759/files/68352559639.pdf
    • https://cdn.shopify.com/s/files/1/0432/5205/6227/files/21781192969.pdf
    • https://cdn.shopify.com/s/files/1/0431/8907/6117/files/fofovevuvazumogerokim.pdf
    • https://cdn.shopify.com/s/files/1/0435/2511/1967/files/wopidonelifofirekax.pdf
    • https://cdn.shopify.com/s/files/1/0438/0635/9713/files/74744520889.pdf
    • https://cdn.shopify.com/s/files/1/0432/2328/5928/files/68499827291.pdf
    • https://cdn.shopify.com/s/files/1/0430/7140/6237/files/limis.pdf
    • https://cdn.shopify.com/s/files/1/0438/4843/3829/files/bright_line_eating.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004fe5.bin
dfe9c3f9d7ddd050dbc4a0e19d0f3ab547bbdac41fb210c9d3d6e33d40a9aeea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4FE5 4864 bytes
font_01_sfnt_off00006095.bin
76ea7b56901d30bb1c34bb928f0bedab5491f782644bf22b5bde1865d1d1a148		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6095 9620 bytes

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