Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd60758d9a1b9141…

MALICIOUS

PDF

45.1 KB Created: 2020-08-19 16:00:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 8795f2616c5456d55b5b871201a4b9b0 SHA-1: cffd82da9b8721748995dbcc2a78581b14e37dd7 SHA-256: fd60758d9a1b9141c9a8dbb912f3f309ffb7b94ade5eae39c9f27886cf8d8781
120 Risk Score

Malware Insights

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

The PDF file contains a heuristic firing for a malicious redirector link, pointing to 'https://ttraff.com/pify?keyword=politically+incorrect+guide+to+civil+war'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded URLs, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL and several Shopify URLs, suggesting a lure to external content. No scripts were extracted, but the presence of a malicious redirector indicates an attempt to lead the user to a malicious site.

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/pify?keyword=politically+incorrect+guide+to+civil+war
    • http://zupow.mindfulhoney.com/uploads/1/3/1/8/131857152/mivodoseso.pdf
    • https://cdn.shopify.com/s/files/1/0434/4224/1688/files/63577768970.pdf
    • https://cdn.shopify.com/s/files/1/0434/4109/4817/files/39580859456.pdf
    • https://cdn.shopify.com/s/files/1/0431/1135/0439/files/alkanes_11th_std_notes.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/99913566500.pdf
    • https://cdn.shopify.com/s/files/1/0431/0417/4233/files/44000626253.pdf
    • https://cdn.shopify.com/s/files/1/0432/1217/7572/files/90207349370.pdf
    • https://cdn.shopify.com/s/files/1/0437/8466/7287/files/jewegovexi.pdf
    • https://cdn.shopify.com/s/files/1/0431/2953/6676/files/81586701495.pdf
    • https://cdn.shopify.com/s/files/1/0433/3761/3461/files/vetajifigesafafevit.pdf
    • https://cdn.shopify.com/s/files/1/0432/9802/9733/files/xadejotoretalibemexunibid.pdf
    • https://cdn.shopify.com/s/files/1/0436/0467/2675/files/kesavener.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_off0000698c.bin
7fef6ce3573f3361e58bf6587a8691902b090ad74b63d54397323ab7e30d7ee6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x698C 5184 bytes
font_01_sfnt_off00007b4c.bin
29faf978e00c364210688275876cb87d0910a3440720302607db172afa6b90e5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7B4C 14524 bytes

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