Malicious PDF — malware analysis report

Static analysis result for SHA-256 45fd791ed2d70f19…

MALICIOUS

PDF

44.7 KB Created: 2020-09-01 06:39:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9398f7f036fc5013671e5a11a809a0e4 SHA-1: 462b3d6e29353a96864cd54b2b25ef16b2f1f2cf SHA-256: 45fd791ed2d70f199784f3bc93b2c3a5abbf99e75b65a71b4cdb08ff315e28cd
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a heuristic firing for a malicious redirector link. The embedded URL points to 'ttraff.club', which is known for malicious redirection. The document body, though heavily obfuscated, also contains this URL, suggesting it's the primary lure. No scripts were extracted, but the presence of a malicious redirector indicates a phishing or social engineering attempt.

Heuristics 2

  • 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.
  • 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.club/wix?keyword=eleventh+hour+cissp+study+guide
    • https://static.usrfiles.com/ugd/8b9728_b7369628c66f44698aa9e38e3c6e973e.pdf
    • https://static.usrfiles.com/ugd/c345b0_4f93b254be484ffe94ad947c4d9e5056.pdf
    • https://static.usrfiles.com/ugd/de3d83_e44adba8deae4e4cb4ba92ce58a92efa.pdf
    • https://static.usrfiles.com/ugd/c7ef1a_e633cfe0829e4fd787c9401812b37d1e.pdf
    • https://static.usrfiles.com/ugd/0df15e_d5e611e818264077b3b5126d8c49e5c4.pdf
    • https://static.usrfiles.com/ugd/921909_74b9a9ef64c24417ad7134476b0d7e22.pdf
    • https://static.usrfiles.com/ugd/cbe7f7_225b9dbeb52548c9b9580a984dc299e2.pdf
    • https://cdn.shopify.com/s/files/1/0432/4111/1716/files/46499389132.pdf
    • https://cdn.shopify.com/s/files/1/0439/4654/1211/files/axl_movie_bolly4u.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_off000070f1.bin
8bdced225726e103f6c6973c2eb1ec741de011a9c5050466f964f66e928527d5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x70F1 5244 bytes
font_01_sfnt_off000082d9.bin
3a3edcbe78e046f82d04dea925ebbe808f22486811073129666df24a6d0f898a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x82D9 10516 bytes

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