Malicious PDF — malware analysis report

Static analysis result for SHA-256 98e730f64950d3fd…

MALICIOUS

PDF

41.6 KB Created: 2020-08-28 20:45:31 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4932373926249c93c4a6207ff6ace4b5 SHA-1: 30fe201e9e76cbcb3feb9af18916c2067e873cc9 SHA-256: 98e730f64950d3fd53196741007a0b0b8dde277f45076de1f0d850bd21b0b96d
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.cc, which is likely intended to lead the user to a malicious site. The document body, though heavily obfuscated, contains text fragments that suggest a lure related to 'Restaurantes de espana y latinoameri'. The presence of numerous embedded links, many pointing to Shopify, indicates a link farm strategy, with the primary malicious link being the redirector.

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.cc/wix?keyword=restaurantes+de+espana+y+latinoameri
    • https://cdn.shopify.com/s/files/1/0433/4849/2438/files/takeuchi_tb016_workshop_manual.pdf
    • https://cdn.shopify.com/s/files/1/0432/1896/0545/files/learn_french_by_podcast_lesson_1.pdf
    • https://cdn.shopify.com/s/files/1/0432/4143/9400/files/gre_probability_questions.pdf
    • https://cdn.shopify.com/s/files/1/0438/0455/7472/files/letterhead_word_template_format.pdf
    • https://cdn.shopify.com/s/files/1/0429/8833/9354/files/timukojinapitiw.pdf
    • https://cdn.shopify.com/s/files/1/0430/2585/8714/files/tovimidivupeguneta.pdf
    • https://static.usrfiles.com/ugd/b8c837_c8fc5307b7c84764b06b437b970d8ec4.pdf
    • https://static.usrfiles.com/ugd/b8c837_d21579b3702248fe8052b3cb6aa524ed.pdf
    • https://static.usrfiles.com/ugd/b8c837_ff10f24e6597413396d47af256bffd89.pdf
    • https://static.usrfiles.com/ugd/b8c837_7a97b535424944388ee9c23b16124b08.pdf
    • https://static.usrfiles.com/ugd/b8c837_5256334a210048ee94a97f102978c2ba.pdf
    • https://static.usrfiles.com/ugd/b8c837_e8842bec2de24456a8403725306eee8f.pdf
    • https://static.usrfiles.com/ugd/b8c837_712dbd5c204d4b4094da27ff0538d1a6.pdf
    • https://static.usrfiles.com/ugd/b8c837_582e8594b21e426ab2e43ed936f35e88.pdf
    • https://static.usrfiles.com/ugd/b8c837_cb6f0d2e3f224ffdbc54b9370b056c71.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_off000061c2.bin
6cc8bff9d41933b04af4b4be80b6ee54925200f4f754c447db7e8aa13a625012		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61C2 5216 bytes
font_01_sfnt_off00007372.bin
b17af568372c7efbc8d93ac7f8394cb98a8dee0e60e3316d7a91b019a35d162f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7372 11208 bytes

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