Malicious PDF — malware analysis report

Static analysis result for SHA-256 95e347f83b206c12…

MALICIOUS

PDF

49.6 KB Created: 2020-09-12 19:51:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 567a2dbe72c48c9177bf60dc73917512 SHA-1: 45f51982d0a2a0e0f2458e25056c22b21f4320c1 SHA-256: 95e347f83b206c12f2610fc6058c65cae673fe7570def2ca9d0fa8f69ffe8972
160 Risk Score

Malware Insights

MITRE ATT&CK
T1204 Malicious Link T1059 Command and Scripting Interpreter

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://ttraff.club/pify?keyword=windows+vista+activation'. Additionally, a high-severity heuristic indicates the document instructs the user to copy and paste content into a shell, a common lure for executing malicious commands. The presence of numerous embedded links, many pointing to benign Shopify PDFs, suggests a link farm or SEO poisoning tactic to distribute the malicious redirector.

Heuristics 4

  • 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.
  • Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE
    Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
  • 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/pify?keyword=windows+vista+activation
    • https://cdn.shopify.com/s/files/1/0445/8423/9268/files/bipajalenebevoteli.pdf
    • https://cdn.shopify.com/s/files/1/0430/2631/7473/files/41078170744.pdf
    • https://cdn.shopify.com/s/files/1/0429/8221/1735/files/ropelibeji.pdf
    • https://static.usrfiles.com/ugd/33c377_f370107607ff418397cf4f9c86d55a2b.pdf
    • https://static.usrfiles.com/ugd/e98895_b37031d79bb544e9a4195ff47873e851.pdf
    • https://cdn.shopify.com/s/files/1/0432/5877/3662/files/jiwudonafunekixulek.pdf
    • https://cdn.shopify.com/s/files/1/0430/1085/0979/files/98791009646.pdf
    • https://cdn.shopify.com/s/files/1/0437/1457/6537/files/chicago_citation_style_16th_edition.pdf
    • https://cdn.shopify.com/s/files/1/0435/6656/3487/files/jafuwoxunaner.pdf
    • https://cdn.shopify.com/s/files/1/0430/6790/0061/files/tratados_internacionales_de_mexico_vigentes_2020.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_off000085ef.bin
dc214a4f4a773fc2bcbc0536903596475779520f29b43f12665d6b6ab2ac1dbc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x85EF 4972 bytes
font_01_sfnt_off00009707.bin
cd38085875aef86147cdc2688a789acb1edcfefcbf335ab65bae5a82083ab42a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9707 10220 bytes

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