Malicious PDF — malware analysis report

Static analysis result for SHA-256 faf274c95dff3f00…

MALICIOUS

PDF

70.2 KB Created: 2020-08-12 21:26:35 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5adaee280d741022e09b00cd2e9e9c01 SHA-1: 733c9d80f8fe105d031facaf90d6bfff7a89d46d SHA-256: faf274c95dff3f0045460c8420e772846031b9e08ee18bf467e568bf73f962e6
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF was identified as malicious due to the presence of a redirector link pointing to known malicious infrastructure. It also contains a large number of external PDF links, characteristic of a link farm. The embedded URL in the document body, 'https://ttraff.ru/pify?keyword=technological+determinism+definition+pdf', is a primary indicator of this malicious activity.

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=technological+determinism+definition+pdf
    • http://ponum.ilanschraer.com/uploads/1/3/1/4/131453133/4594044.pdf
    • http://sufuzaku.bristolnhwnetwork.org.uk/uploads/1/3/0/9/130969648/7843084.pdf
    • http://raboji.fit4fun13.com/uploads/1/3/0/8/130814328/635225.pdf
    • https://cdn.shopify.com/s/files/1/0430/0062/7363/files/18565612450.pdf
    • https://cdn.shopify.com/s/files/1/0428/9124/7779/files/lixunigebuvubemowefu.pdf
    • https://cdn.shopify.com/s/files/1/0444/6945/2967/files/calendar_template_blank.pdf
    • https://cdn.shopify.com/s/files/1/0433/7824/5781/files/zogevikamupepojano.pdf
    • https://cdn.shopify.com/s/files/1/0445/9102/2244/files/candide_fr.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/kazapuv.pdf
    • https://cdn.shopify.com/s/files/1/0436/0772/0093/files/mijifibul.pdf
    • https://cdn.shopify.com/s/files/1/0433/4052/9816/files/79562952453.pdf
    • https://cdn.shopify.com/s/files/1/0431/5525/9560/files/39565039085.pdf
    • https://cdn.shopify.com/s/files/1/0430/4230/8250/files/casting_process_defects.pdf
    • https://cdn.shopify.com/s/files/1/0433/5081/8981/files/miwonofawekizo.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/
    • https://cdn.shopify.com/s/files/1/0433/4052/9816/files/79

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c7eb.bin
6d0d2ff226873730fb4a2e1e6a49b69714ff1363d3a6e7869179d86493ea80cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC7EB 5304 bytes
font_01_sfnt_off0000d9b8.bin
7a2be6f946f82126a42bf0f0057e58d4a204c9e7e2f2f32d091ac7bc9fdf453d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD9B8 10420 bytes
font_02_sfnt_off0000fd3c.bin
ce7e2e230a41ba6fc2d7d2240890c8289d67876d84a3d076d67c0b48111c8230		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFD3C 4324 bytes

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