Malicious PDF — malware analysis report

Static analysis result for SHA-256 cabba5a289dfa223…

MALICIOUS

PDF

36.9 KB Created: 2020-09-01 00:16:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 70e9c39d83237c921014e33991baee62 SHA-1: 100c9fe1432b88bd42008dcea62f8097b14a217d SHA-256: cabba5a289dfa223eaf9434e3eaa4e059fd111c4e9e9cc452ee86481e96f9ea0
60 Risk Score

Malware Insights

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

The PDF file contains a link that redirects to a known malicious domain, ttraff.com, which is flagged as a malicious redirector. The document body, though heavily obfuscated, contains text related to 'anime app apk mod' and the malicious URL, suggesting a social engineering lure to trick users into clicking the link. The file's metadata indicates it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs.

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.com/pify?keyword=anime+app+apk+mod
    • https://static.usrfiles.com/ugd/6c032c_fd81cd62aae347368501d807fcae057b.pdf
    • https://static.usrfiles.com/ugd/d01287_189e76eac2924eb683eaac61e12f1b32.pdf
    • https://static.usrfiles.com/ugd/bf650e_eb981a0894c34174bb777e8a398a5cf8.pdf
    • https://cdn.shopify.com/s/files/1/0433/4790/2623/files/introduction_to_binary_number_system.pdf
    • https://static.usrfiles.com/ugd/b8c837_9545fc83364849ceb61819afe2b5c65b.pdf
    • https://static.usrfiles.com/ugd/65b209_79cace3cd8a44c53847da8202ad3523b.pdf
    • https://cdn.shopify.com/s/files/1/0433/7739/3815/files/paxizezi.pdf
    • https://cdn.shopify.com/s/files/1/0433/8994/3971/files/90558026040.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_off000053f8.bin
37d81b4604e9427ff3b1c0d43e659183a65f5bf067145cdad41c90323a60105d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x53F8 4852 bytes
font_01_sfnt_off0000646c.bin
e481b5dbf9b0834f04ea6db21143ac18e88afa5e68d298f2448612a5857f8cf9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x646C 10360 bytes

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