Malicious PDF — malware analysis report

Static analysis result for SHA-256 f4ab8933eb57c6ed…

MALICIOUS

PDF

42.4 KB Created: 2020-08-31 14:11:07 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8b6187cfb18d120e18f61aeabff3b6e9 SHA-1: 4c9cfb31e01aa04c495ce744787a86d1b2bd5c60 SHA-256: f4ab8933eb57c6ed902e96ca5bafd98c5805a1ebe4add285b550c0dfcf29904e
60 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing indicating it is a malicious redirector link. The embedded URL, 'https://ttraff.cc/wix?keyword=insurance+card+template+form', is the primary indicator of malicious activity. The document body, though heavily obfuscated, contains text related to 'Insurance card template form', suggesting a social engineering lure. No scripts were extracted from this sample.

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.cc/wix?keyword=insurance+card+template+form
    • https://cdn.shopify.com/s/files/1/0431/5630/8123/files/12605653198.pdf
    • https://cdn.shopify.com/s/files/1/0437/7100/3037/files/20412497550.pdf
    • https://cdn.shopify.com/s/files/1/0431/0774/5958/files/neet_books_download_free.pdf
    • https://static.usrfiles.com/ugd/4c1554_bc20ed0937e143ab90cc952cd8a87736.pdf
    • https://static.usrfiles.com/ugd/b8c837_0160fc993db34c7eb2f1e115e230068b.pdf
    • https://static.usrfiles.com/ugd/badafb_4c3d13fe449b4098a50333befe88e339.pdf
    • https://cdn.shopify.com/s/files/1/0436/1663/2992/files/dibogamaduluxu.pdf
    • https://cdn.shopify.com/s/files/1/0429/1595/4855/files/4373296266.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005b67.bin
c622709c7af77494f5225b06d94d2f82f1fe92abd815f6c9b8ef61c1c77a551b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B67 5072 bytes
font_01_sfnt_off00006c7f.bin
35542c71a16f988cf8a7ad7e439bd628254889087b00c0c41da2200a5170c9f4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C7F 10164 bytes
font_02_sfnt_off00008f30.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8F30 4324 bytes

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