Malicious PDF — malware analysis report

Static analysis result for SHA-256 a4170218446c899d…

MALICIOUS

PDF

43.4 KB Created: 2020-09-04 18:18:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8bc5fb105aa3300c247152d431aa344d SHA-1: 63948846f104eda4d52ad4b708a4d3075e76d553 SHA-256: a4170218446c899de3d3ee9683149dc57f5cd6c7c487c3276bf5d34f3ff6db3f
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains a link farm and a specific malicious redirector URL. The document body, though partially corrupted, contains text related to 'DMV accident report online az' and the malicious URL, indicating a phishing lure. The primary malicious URL, https://ttraff.me/wix?keyword=dmv+accident+report+online+az, is identified as a redirector to potentially malicious content. The presence of numerous other PDF links suggests an attempt to obscure the true destination or engage in SEO manipulation for traffic.

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.me/wix?keyword=dmv+accident+report+online+az
    • https://cdn.shopify.com/s/files/1/0428/7243/8947/files/80780673535.pdf
    • https://cdn.shopify.com/s/files/1/0453/3475/7531/files/dolodevanewevaxi.pdf
    • https://cdn.shopify.com/s/files/1/0464/7279/0174/files/80142815139.pdf
    • https://cdn.shopify.com/s/files/1/0437/7850/6909/files/gilajipilagowugupaxu.pdf
    • https://cdn.shopify.com/s/files/1/0436/7292/8409/files/raabta_agent_vinod_song_320kbps.pdf
    • https://static.usrfiles.com/ugd/b1dabf_09af052ca1a94414a32437b49c23659b.pdf
    • https://static.usrfiles.com/ugd/7c3584_d953fba2897b4b27a9cbb5b89e8ef0ba.pdf
    • https://static.usrfiles.com/ugd/d2b720_f1b4f7924165491fb527e8309465efc3.pdf
    • https://static.usrfiles.com/ugd/dcbeda_bc2c06896b724587b843f4d263f3a42f.pdf
    • https://static.usrfiles.com/ugd/3e0cb9_007b298caef646d9af07419c17b6ee74.pdf
    • https://static.usrfiles.com/ugd/b8c837_2e7d491488694388b49b5e72010ebf10.pdf
    • https://static.usrfiles.com/ugd/1c8c6c_798e38a4423541248b6489458f2b53f9.pdf
    • https://cdn.shopify.com/s/files/1/0460/3992/4900/files/bijotejilugigegegokazaf.pdf
    • https://cdn.shopify.com/s/files/1/0434/1707/5868/files/caline_snake_bite_manual.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_off0000665b.bin
e27c38666a4338ffd853a5f69c3433d7e9d94ae6a9657ae225be115b321eed21		 pdf-font-stream PDF embedded font (sfnt) at offset 0x665B 5148 bytes
font_01_sfnt_off000077d8.bin
8deba2780d78f2334d5f6ad865ad386b9455c11781c457dbc4d502ed56b09479		 pdf-font-stream PDF embedded font (sfnt) at offset 0x77D8 12872 bytes

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