Malicious PDF — malware analysis report

Static analysis result for SHA-256 54933732137f4fb9…

MALICIOUS

PDF

41.4 KB Created: 2020-08-24 01:24:33 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 656803d1d94adbed9e4a9877ca1b17c2 SHA-1: 4903d0e676b05b388dff62ab1dabcd86dae85a54 SHA-256: 54933732137f4fb995043a93c23a7d939407f50ee22fab76f2dce07b92b1fe7a
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.com'. The document body, though heavily obfuscated, contains a reference to this same URL. This indicates the primary intent is to redirect the user to a potentially harmful site. No scripts were extracted, and the document body's content is largely unreadable, but the presence of the malicious URL is a strong indicator of malicious intent.

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=hundreds+chart+worksheet+3rd+grade
    • http://files.mnjeweler.com/uploads/1/3/1/4/131437740/fomurogoxufirofaliz.pdf
    • https://cdn.shopify.com/s/files/1/0431/6472/9512/files/xadiwimexomanemixigewini.pdf
    • https://cdn.shopify.com/s/files/1/0437/7139/6257/files/degulose.pdf
    • https://cdn.shopify.com/s/files/1/0430/7291/3557/files/awk_tutorial_linux.pdf
    • https://cdn.shopify.com/s/files/1/0430/6331/2533/files/32763061929.pdf
    • https://cdn.shopify.com/s/files/1/0432/5215/4532/files/resume_template_microsoft_word_2016.pdf
    • https://cdn.shopify.com/s/files/1/0431/1321/8210/files/mabusisimutirunevipivosoz.pdf
    • https://cdn.shopify.com/s/files/1/0428/0533/0083/files/limukuratuteroliraxafowex.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_off000056e8.bin
09ba1f31c6090138b2ea2d2d1872a526b07b50052ab8c577b91a1faa4b9a304f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x56E8 5284 bytes
font_01_sfnt_off000068da.bin
e1de2107dffe89811a91c5e13b89b81e5a0d468182cd86f4aea0c02c5dbfb38b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x68DA 9988 bytes
font_02_sfnt_off00008b02.bin
d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8B02 4324 bytes

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