Malicious PDF — malware analysis report

Static analysis result for SHA-256 578730985fca1c01…

MALICIOUS

PDF

42.0 KB Created: 2020-09-04 07:45:51 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 899794b13caf8f306be76f7390f843c9 SHA-1: 6b95b74a60fb41668695acb7056bfe5b997d338c SHA-256: 578730985fca1c01958bdf6ca1b81b3722b19cd9cbec26a933b468faf5f62365
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=bitter+moon+1992+movie'. The document body also contains this URL and a large number of other PDF links, suggesting a link farm or redirection attempt. The primary malicious URL is likely intended to lead the user to a phishing or malware distribution site.

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=bitter+moon+1992+movie
    • https://static.usrfiles.com/ugd/b8c837_b3df1840de6e486e9f91344900fc64ae.pdf
    • https://static.usrfiles.com/ugd/136d07_75107d51b3f24bb8891c68930244b44f.pdf
    • https://static.usrfiles.com/ugd/b8c837_b1eb81697ff347718ec98a3c8ebf3ed8.pdf
    • https://static.usrfiles.com/ugd/e6092c_c0914a05fb5f4c188c4105e16cc8f131.pdf
    • https://static.usrfiles.com/ugd/035627_10f226eb7e124a98bf2afbcb1780697a.pdf
    • https://static.usrfiles.com/ugd/b8c837_00bf31859a2740a7a9d4beeebe6c319d.pdf
    • https://static.usrfiles.com/ugd/b5472a_929cd32db41948709c6bd61af765a387.pdf
    • https://static.usrfiles.com/ugd/948cea_c8ce8d72760a44f3a1ce3e669e9a2728.pdf
    • https://cdn.shopify.com/s/files/1/0433/5458/7288/files/vabezawo.pdf
    • https://cdn.shopify.com/s/files/1/0433/4449/4750/files/vunepinoxojivubimo.pdf
    • https://cdn.shopify.com/s/files/1/0430/7091/4717/files/b._e._degree_full_form.pdf
    • https://static.usrfiles.com/ugd/964009_36901f2479614c7ca585be254f80f4f0.pdf
    • https://static.usrfiles.com/ugd/035627_ca2e5a1f170b42a7b095d8ac8e1e5ead.pdf
    • https://static.usrfiles.com/ugd/1df9ea_c0824f7270004d7fbde6a7fa133b1739.pdf
    • https://static.usrfiles.com/ugd/01e791_c53d0f0d1fc64790bee7410e53237682.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_off0000670d.bin
329e60616da4cb8514692aaac7631f592494fa552154a3b935ac51e886d44bed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x670D 4860 bytes
font_01_sfnt_off00007791.bin
dc586c93d748b5b845fd6f86f87b371d4f9dca4bb26f38a7335345c8ff5d2f0f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7791 10372 bytes

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