Malicious PDF — malware analysis report

Static analysis result for SHA-256 8d030f4d530ac1ef…

MALICIOUS

PDF

44.7 KB Created: 2020-08-27 22:40:48 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6dc5c34dc69e5b1089ae3630600e29c0 SHA-1: c056ba22e68afe4fa0254c1e6c3189cd815b3d17 SHA-256: 8d030f4d530ac1ef45cd6dd498cf4b6597734a8d8de1d43d195ebb4fa5682278
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1200 Hardware Add-in T1059.001 PowerShell

The PDF file contains a large number of embedded links, many of which point to a link farm hosted on Shopify. One of the primary links, 'https://ttraff.ru/pify?keyword=kabhi+khushi+kabhie+gham+download+mp4', is identified as a malicious redirector. This suggests the document's purpose is to redirect users to malicious sites, likely for phishing or malware distribution.

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=kabhi+khushi+kabhie+gham+download+mp4
    • http://files.earlychildhoodeducationassembly.com/uploads/1/3/0/7/130739895/3188962.pdf
    • http://files.stlukessimeon.org/uploads/1/3/1/4/131454024/laxabolinuga_vuxibula.pdf
    • https://cdn.shopify.com/s/files/1/0431/5840/5275/files/biped_robot_design.pdf
    • https://cdn.shopify.com/s/files/1/0437/4193/7818/files/25483145452.pdf
    • https://cdn.shopify.com/s/files/1/0441/2493/0200/files/200_profitable_business_ideas_in_kenya_2020.pdf
    • https://cdn.shopify.com/s/files/1/0432/0270/7616/files/69864935234.pdf
    • https://cdn.shopify.com/s/files/1/0465/1991/0558/files/queen_size_bed_sheet_in_meters.pdf
    • https://cdn.shopify.com/s/files/1/0433/6441/7695/files/apprendre_l_allemand_rapidement.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/32177526878.pdf
    • https://cdn.shopify.com/s/files/1/0429/2981/5705/files/39273302027.pdf
    • https://cdn.shopify.com/s/files/1/0432/2879/0946/files/17604948274.pdf
    • https://cdn.shopify.com/s/files/1/0447/4395/0490/files/bsf_constable_tradesman_admit_card.pdf
    • https://cdn.shopify.com/s/files/1/0437/0199/3622/files/finuvativepojinevagojoj.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000052b6.bin
e8e60d96ff85a58d7085841d84c648192b7cc1c9f135469aa3c8293fc4ce3775		 pdf-font-stream PDF embedded font (sfnt) at offset 0x52B6 5632 bytes
font_01_sfnt_off000065ca.bin
2bc5e379b4f862827b017f33d6ae9c70238f9368bbe738fb0463c620ab1b23c3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65CA 9980 bytes
font_02_sfnt_off00008834.bin
1df41416ece054d3cca32f135e48dc95f4d9c8a2bff4ba4edba1d14e21aabef6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8834 18776 bytes

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