Malicious PDF — malware analysis report

Static analysis result for SHA-256 54e6cba6fa0bd1fd…

MALICIOUS

PDF

45.8 KB Created: 2020-08-29 07:19:15 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 6d54589d64978e3a17f79c1b8a0b54fa SHA-1: b5ce68b589547c76a38fb8a3a34185aa0f18e655 SHA-256: 54e6cba6fa0bd1fd4e23dcd926e82205701cfb1257278e5dcd2962b9812d0386
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'ttraff.ru'. This URL is embedded within the document body, disguised as part of a business plan. The PDF also exhibits characteristics of a link farm, with numerous embedded links to other PDFs, many hosted on Shopify. The primary intent appears to be redirecting users to malicious infrastructure through a deceptive document.

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/wix?keyword=outdoor+sports+complex+business+plan
    • https://static.u
    • https://cdn.shopify.com/s/files/1/0432/1506/1153/files/zetukitorawinajisas.pdf
    • https://cdn.shopify.com/s/files/1/0428/8384/2215/files/nasuvakaxuponiketidobeba.pdf
    • https://cdn.shopify.com/s/files/1/0433/6504/0286/files/63572469489.pdf
    • https://cdn.shopify.com/s/files/1/0430/9866/9220/files/raloxekukinipesewezazasox.pdf
    • https://cdn.shopify.com/s/files/1/0464/9756/2776/files/21049980368.pdf
    • https://cdn.shopify.com/s/files/1/0440/3780/0086/files/xarisijeje.pdf
    • https://cdn.shopify.com/s/files/1/0430/0704/9877/files/vagadafu.pdf
    • https://cdn.shopify.com/s/files/1/0435/6289/3471/files/delphin_palace_hotel_in_lara_beach_t.pdf
    • https://static.usrfiles.com/ugd/b8c837_72d4d373bbd24959b2e36528554b99ea.pdf
    • https://static.usrfiles.com/ugd/b8c837_b233a127ca7a404c81368c1b0ebe395c.pdf
    • https://static.usrfiles.com/ugd/b8c837_8a969b4a9c56432db7f779473ec23d0c.pdf
    • https://static.usrfiles.com/ugd/b8c837_e7493162631d4435b092bae9165f26ed.pdf
    • https://static.usrfiles.com/ugd/b8c837_8ac7dbbc20f546f191350de7a17f6d33.pdf
    • https://static.usrfiles.com/ugd/b8c837_3c619765eaa3429c8543c07be680cffc.pdf
    • https://static.usrfiles.com/ugd/b8c837_1e659818637b4a73be24e567225ca1c0.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_off000069e5.bin
8b83eb00596b63ddf4105c45ca573fddb4c449c8a230e7047d75803d59d7b1b8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x69E5 5456 bytes
font_01_sfnt_off00007c54.bin
eeef0a6308efed84ba3bbe1a286c15839d05ea552874b94bacb62b2435f07183		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7C54 14800 bytes

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