Malicious PDF — malware analysis report

Static analysis result for SHA-256 96a6b56f4adb175a…

MALICIOUS

PDF

45.2 KB Created: 2020-08-31 05:46:44 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4ea2dbd6df1a07df04a4af3d4c4fa6b9 SHA-1: c0428207f4f7d4b84a1f6e205c1bcca1038fc6a4 SHA-256: 96a6b56f4adb175accbbb587a04dceffce9ec26d06fd538a9268634e66a215f0
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, with one pointing to a known malicious redirector. The heuristic firings indicate this is a PDF link farm, likely used for SEO manipulation or to distribute further malicious content. The document body itself is heavily obfuscated and contains some of the URLs, suggesting a lure or redirection mechanism. No scripts were extracted from this sample.

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.com/wix?keyword=eso+templar+pvp
    • https://cdn.shopify.com/s/files/1/0436/0732/6882/files/15000286141.pdf
    • https://cdn.shopify.com/s/files/1/0434/4712/4135/files/french_english_dictionary_for_mac_free.pdf
    • https://cdn.shopify.com/s/files/1/0433/8227/6257/files/black_roots_science_download.pdf
    • https://cdn.shopify.com/s/files/1/0431/0371/5489/files/sudaw.pdf
    • https://static.usrfiles.com/ugd/38bf1f_f08ddf06becf4bc992749a53e47cafd8.pdf
    • https://static.usrfiles.com/ugd/e2f7e1_14f0d53b2b824172a17d0d3c05f7c278.pdf
    • https://cdn.shopify.com/s/files/1/0435/5702/8001/files/web_archive_file_converter_to.pdf
    • https://cdn.shopify.com/s/files/1/0433/9934/8389/files/kugorulapebaledikola.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/11286786524.pdf
    • https://cdn.shopify.com/s/files/1/0431/2937/2836/files/famuvifasupazatiza.pdf
    • https://static.usrfiles.com/ugd/822ecd_8e23a71de3244593a1b8af54a376c3e6.pdf
    • https://static.usrfiles.com/ugd/b8c837_e32d04414cd142d59305ce64f87a7e57.pdf
    • https://static.usrfiles.com/ugd/b8c837_a46e307927524d7b918de77948ad4da4.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_off00007302.bin
2fefdab621b3e145948bc6d084ae62a93a4f13d21c34a3e0e4c35f0e19a30c63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7302 4980 bytes
font_01_sfnt_off000083e3.bin
d453b3668257933b006562eb1e4c36896fc994864557d22c07b687bb29fc5380		 pdf-font-stream PDF embedded font (sfnt) at offset 0x83E3 10744 bytes

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