Malicious PDF — malware analysis report

Static analysis result for SHA-256 452ef785bc659b32…

MALICIOUS

PDF

59.4 KB Created: 2020-09-01 17:12:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4e1b6be7b7a9269b03d0fe9ae082462d SHA-1: 0559b7ba10f08e5e5387bf85598e0a02441cb2f4 SHA-256: 452ef785bc659b326676937dd0f79ac8cfae553f18c121cd5f57e7cb81324049
120 Risk Score

Malware Insights

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

The PDF file contains a lure related to 'Dushman movie all song free' and embeds multiple links. One critical heuristic indicates a malicious redirector link pointing to 'ttraff.com', which is known for malicious activity. Another heuristic flags it as a PDF SEO link farm, with numerous links hosted on 'static.usrfiles.com'. The document body, though heavily obfuscated, contains the malicious URL and references to other PDF files, reinforcing the redirection and link-farming attack pattern.

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.com/wix?keyword=dushman+movie+all+song+free
    • https://static.usrfiles.com/ugd/9757e7_e32144b887eb41c49af6b1f83838026c.pdf
    • https://static.usrfiles.com/ugd/0dd040_c414449ffdec45ecba6272fc001efff9.pdf
    • https://static.usrfiles.com/ugd/b8c837_c22b1b2e990942fdb564d53f60248541.pdf
    • https://static.usrfiles.com/ugd/857e61_36b70f8ca4354a61a0ba768f1ba1c853.pdf
    • https://static.usrfiles.com/ugd/11f207_2c93c6211fc14adf88ef7a0ca2017d83.pdf
    • https://static.usrfiles.com/ugd/fd3290_eec6201b621c4674aa7d6062356abe0e.pdf
    • https://static.usrfiles.com/ugd/0dd040_423ef2c4c3f4423f99daf15fdd2505c6.pdf
    • https://static.usrfiles.com/ugd/9904c2_cc434b03eaa94248a7fd95d28fd9650c.pdf
    • https://static.usrfiles.com/ugd/b8c837_841d7999e8ec4fa0a094d048a8089940.pdf
    • https://static.usrfiles.com/ugd/73f3b0_44a38c074f1c4e5bbec403e91237359c.pdf
    • https://static.usrfiles.com/ugd/b8c837_74fc5a1685cb45c594a89ea55cf96e93.pdf
    • https://static.usrfiles.com/ugd/b8c837_622fb092c81a4dcaa75e32c6b5e78e1a.pdf
    • https://static.usrfiles.com/ugd/9904c2_f5dfa79b95e848cb8393b959b6f35468.pdf
    • https://static.usrfiles.com/ugd/40512e_08656c26167f4a85be76f5415c898a82.pdf
    • https://static.usrfiles.com/ugd/89c6ad_8fc0d168fe7e457cabb1cb54a7ca6604.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_off00009ecd.bin
9a84951032aa4fb871dd0034371e404d24fa4a1c11074cfd86b6cb8fca7a0a5a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9ECD 5240 bytes
font_01_sfnt_off0000b082.bin
fd9e2a1421286b31df73da93c8fb6fb7d3f54584e471977ab85cb6f771aa7905		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB082 15000 bytes

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