Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d65e34653e055bb…

MALICIOUS

PDF

41.0 KB Created: 2020-08-29 13:49:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4ddb3e1b781e8f7c4c7e1174310a772d SHA-1: b79fc8b744613f979f98df7ccf6e0d98137de5fa SHA-256: 8d65e34653e055bb87a30b6da9a9cd4528b1cb218813ca647df7c32a5d7c6e2f
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.com/wix?keyword=alexandre+o+grande+filme++dublado'. Additionally, it exhibits characteristics of a PDF link farm, embedding numerous links, with the primary one leading to a Shopify domain. The document body, though heavily corrupted, contains fragments suggesting a lure related to a movie title, intended to trick users into clicking the malicious URL.

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.com/wix?keyword=alexandre+o+grande+filme++dublado
    • https://cdn.shopify.com/s/files/1/0433/6680/9765/files/rixidixugid.pdf
    • https://cdn.shopify.com/s/files/1/0433/1238/2117/files/86311881817.pdf
    • https://cdn.shopify.com/s/files/1/0431/0577/9863/files/youtube_playlist_duration.pdf
    • https://cdn.shopify.com/s/files/1/0434/6504/8214/files/two_face_coin_flip_gif.pdf
    • https://cdn.shopify.com/s/files/1/0427/8714/3839/files/gopaxumuref.pdf
    • https://cdn.shopify.com/s/files/1/0431/7757/4562/files/92249591035.pdf
    • https://cdn.shopify.com/s/files/1/0431/0754/9338/files/vavirojivikotisorudit.pdf
    • https://cdn.shopify.com/s/files/1/0437/5294/7873/files/paweforakazefarefudeposo.pdf
    • https://cdn.shopify.com/s/files/1/0427/8406/3654/files/20332136579.pdf
    • https://cdn.shopify.com/s/files/1/0438/2782/2752/files/aadat_ninja_song_pagalworld.pdf
    • https://static.usrfiles.com/ugd/b8c837_7910ecf8492747a98f9ddf053568d30e.pdf
    • https://static.usrfiles.com/ugd/b8c837_1786e8a9697c40ec83e66de10965cb1e.pdf
    • https://static.usrfiles.com/ugd/b8c837_1669f77a8efc4cfb815a8570660e00f2.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_off00005bac.bin
4e9f0e1930bead78db2e219c9f21dd596eea6f833931f7feacfc61b305aed874		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5BAC 5244 bytes
font_01_sfnt_off00006d6d.bin
dd2d20aa685473e4759fa4b6a2a4311cabadf0ac56f9a5ae0f32cf62f229411f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D6D 13560 bytes

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