Malicious PDF — malware analysis report

Static analysis result for SHA-256 a29122269b461d62…

MALICIOUS

PDF

64.5 KB Created: 2020-09-02 15:00:23 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 79216851ac5f62991bed1563a88f421a SHA-1: 1a59638b81c7156fe1fa65bfd034d7a9c48cd1e7 SHA-256: a29122269b461d621cb36cb828930285922111a4f7bf91550fcea1a160370500
120 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.me/wix?keyword=shell+shocked+ww1+answers'. This URL is presented within the document body, suggesting a social engineering lure to trick the user into visiting a potentially harmful site. The PDF also contains a link farm heuristic, indicating a broader effort to distribute malicious links.

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/wix?keyword=shell+shocked+ww1+answers
    • https://static.usrfiles.com/ugd/3826db_da4516f4ad3b466a82a1099f8a872da8.pdf
    • https://static.usrfiles.com/ugd/739437_5171626fc8dc4155ad749ce96978a48b.pdf
    • https://static.usrfiles.com/ugd/362633_da90e65249844e41b69aa7ff1e5a0071.pdf
    • https://static.usrfiles.com/ugd/5c9621_d1ecede51dbd4538afa6680e2cefe781.pdf
    • https://static.usrfiles.com/ugd/0c41e7_350402e809914142aa1468bbe37cb1f2.pdf
    • https://cdn.shopify.com/s/files/1/0461/0732/8675/files/spin_tires_game_free_download.pdf
    • https://cdn.shopify.com/s/files/1/0433/5026/1915/files/davasotoribopexuraxuxogu.pdf
    • https://cdn.shopify.com/s/files/1/0428/5782/4415/files/65373551832.pdf
    • https://cdn.shopify.com/s/files/1/0430/2703/8359/files/14909274361.pdf
    • https://cdn.shopify.com/s/files/1/0435/1537/9880/files/abc_chemistry_class_12_free.pdf
    • https://cdn.shopify.com/s/files/1/0432/2469/4942/files/hp_battery_calibration_software.pdf
    • https://cdn.shopify.com/s/files/1/0430/9565/4554/files/85275887230.pdf
    • https://cdn.shopify.com/s/files/1/0431/2177/0657/files/wubavezamarasedalifazeveg.pdf
    • https://cdn.shopify.com/s/files/1/0431/7410/1160/files/fakudijabasomogijav.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_off0000bc38.bin
4b01cc422601b54586b01b5e19e67c6b178ceab680044c919bf1c33374aff48d		 pdf-font-stream PDF embedded font (sfnt) at offset 0xBC38 5340 bytes
font_01_sfnt_off0000ce6f.bin
aad6104e3c1742bda14a6fff4f9f75dda96a3be9756a514aefd2266e4ac85943		 pdf-font-stream PDF embedded font (sfnt) at offset 0xCE6F 11072 bytes

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