Malicious PDF — malware analysis report

Static analysis result for SHA-256 49e3da7e26bfc066…

MALICIOUS

PDF

48.0 KB Created: 2020-08-28 16:23:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 90da15392545e7d34e834badd01b254f SHA-1: f5e1308d25ef622bab7ae5ee1422ccaad70b12ef SHA-256: 49e3da7e26bfc066aa46ba3ed232d4dd8482906aa0ef80663a3992d30f984376
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a significant number of embedded links, forming a link farm. One of these links, https://ttraff.me/pify?keyword=..., is identified as a malicious redirector. The presence of numerous links, many pointing to Shopify domains, suggests an attempt to obscure the final malicious destination and potentially leverage SEO tactics to lure victims. No scripts were extracted, and the document body was heavily obfuscated.

Heuristics 3

  • 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.
  • 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.me/pify?keyword=%25D1%2580%25D0%25B5%25D1%2588%25D0%25B5%25D0%25B1%25D0%25BD%25D0%25B8%25D0%25BA+%25D0%25BF%25D0%25BE+%25D0%25B0%25D0%25BD%25D0%25B3%25D0%25BB%25D0%25B8%25D0%25B9%25D1%2581%25D0%25BA%25D0%25BE%25D0%25BC%25D1%2583+new+cutting
    • http://files.bearrivermn.com/uploads/1/3/0/7/130740444/wapodawemipisifivulo.pdf
    • http://pamit.adamdoesdisney.com/uploads/1/3/0/7/130738732/pilopepe_golelakebitok_nonitad_bugeda.pdf
    • http://jeludava.michaelblooman.co.uk/uploads/1/3/1/4/131407406/giwini_tisevor_fojada_belugewu.pdf
    • http://files.cabinzecottage.com/uploads/1/3/0/7/130776562/vezuwitijazakef-defememasadi.pdf
    • https://cdn.shopify.com/s/files/1/0434/4155/3575/files/96227814826.pdf
    • https://cdn.shopify.com/s/files/1/0435/0243/6518/files/97261958969.pdf
    • https://cdn.shopify.com/s/files/1/0431/6410/6908/files/tunomaf.pdf
    • https://cdn.shopify.com/s/files/1/0430/5253/1869/files/73507921769.pdf
    • https://cdn.shopify.com/s/files/1/0440/8197/1365/files/nonoguvilez.pdf
    • https://cdn.shopify.com/s/files/1/0438/4433/7824/files/10460933950.pdf
    • https://cdn.shopify.com/s/files/1/0431/8773/2644/files/96614396628.pdf
    • https://cdn.shopify.com/s/files/1/0435/0181/3915/files/dikiwajale.pdf
    • https://cdn.shopify.com/s/files/1/0432/8367/7339/files/xaxufosepagorupadovire.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_off00006c84.bin
e15413a2989bd4e666b79d9695f60144ccdf237172369fe43bd7aa6007ec9876		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C84 6044 bytes
font_01_sfnt_off0000802d.bin
64e8fb9858f18e2d45b6611aa28081d2e35e2468e54a02b3dde373afe1d2ced3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x802D 15520 bytes

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