Malicious PDF — malware analysis report

Static analysis result for SHA-256 323cee441c54f637…

MALICIOUS

PDF

55.4 KB Created: 2020-08-29 21:21:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 72eab1af79b3116451cc5d30037bc97a SHA-1: 0ba970635ad1e327b1b1c347cb27a4b943a015ef SHA-256: 323cee441c54f637856632209e5da8c494c6a857c7f3211035c7f2da8c00ab13
120 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating it is a malicious redirector link. The embedded URL, 'https://ttraff.cc/wix?keyword=suzuki+lt250r+manual+free+download', is presented as a lure for a free manual download. This link redirects to malicious infrastructure, suggesting the document's purpose is to lead users to harmful content. The PDF also contains a link farm, further supporting its role as a delivery mechanism.

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=suzuki+lt250r+manual+free+download
    • https://static.usrfiles.com/ugd/b8c837_de645057731a4d4885797e5ec200911f.pdf
    • https://static.usrfiles.com/ugd/b8c837_a0863faa061b443293b9a1a6ff43e43f.pdf
    • https://static.usrfiles.com/ugd/ad2ade_07234cae5dd74083bf73448097118788.pdf
    • https://static.usrfiles.com/ugd/cdb50c_0e601d267a4e4fc580b8880d9eacc069.pdf
    • https://static.usrfiles.com/ugd/26938b_0da9ac9456a344e6b989db16893c04e5.pdf
    • https://cdn.shopify.com/s/files/1/0437/5737/1546/files/fedesonigesoledelivabibej.pdf
    • https://cdn.shopify.com/s/files/1/0430/8421/8521/files/gopejixusetilot.pdf
    • https://cdn.shopify.com/s/files/1/0440/6594/7798/files/vollhardt_organic_chemistry.pdf
    • https://cdn.shopify.com/s/files/1/0431/4519/9784/files/6681193523.pdf
    • https://cdn.shopify.com/s/files/1/0430/4083/3690/files/agisoft_metashape_full_crack.pdf
    • https://cdn.shopify.com/s/files/1/0431/9005/9176/files/46642862558.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_off000099c6.bin
5272534bbea7e8f9ac820bb5fac9b4f7ad1be1515f74cb65c0a6a0e2d75eb4ba		 pdf-font-stream PDF embedded font (sfnt) at offset 0x99C6 5584 bytes
font_01_sfnt_off0000acc2.bin
86b477595d5fff9718f1a6e041e393b444cb50ae8b706a03c27b3c4736cd779e		 pdf-font-stream PDF embedded font (sfnt) at offset 0xACC2 10764 bytes

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