Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3cca801c259c23f…

MALICIOUS

PDF

40.5 KB Created: 2020-08-30 01:50:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 71a6d089fc2c965271ce1c2d5ad90a8e SHA-1: e73dce04cbb968c4ef92ca0081d47a8850520d4e SHA-256: d3cca801c259c23ff6cf08be53e69cf1cdcf2a25924b791a8347a6137aec1b23
120 Risk Score

Malware Insights

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

The PDF contains a mass of external links, including a critical link to a known malicious redirector at 'https://ttraff.ru/wix?keyword=tome+of+foes+5e+pdf'. This suggests the document is designed to lead users to malicious content, likely for phishing or malware distribution. The document body and embedded links are consistent with a SEO-based link farm or spam campaign.

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.ru/wix?keyword=tome+of+foes+5e+pdf
    • https://cdn.shopify.com/s/files/1/0431/4926/3004/files/99922390130.pdf
    • https://cdn.shopify.com/s/files/1/0437/2581/5959/files/weligasiti.pdf
    • https://cdn.shopify.com/s/files/1/0435/2642/2687/files/tubuduvod.pdf
    • https://cdn.shopify.com/s/files/1/0432/2770/9597/files/97920046252.pdf
    • https://cdn.shopify.com/s/files/1/0431/7229/8918/files/zuxinigogunelavudito.pdf
    • https://static.usrfiles.com/ugd/3aee12_cd60f1897e7447139da58cca65912b02.pdf
    • https://static.usrfiles.com/ugd/b8c837_50318c33b814446abd54f92e455cd367.pdf
    • https://static.usrfiles.com/ugd/b8c837_dcf8782af44b4518881e0c9c9d18b526.pdf
    • https://static.usrfiles.com/ugd/3e87bf_dfd872aa69384d2a8df954613f5d7918.pdf
    • https://static.usrfiles.com/ugd/b8c837_95420d694e0a40de886ba18e1d17b003.pdf
    • https://static.usrfiles.com/ugd/3e87bf_04d1ed90d0ca437ebe6dfdf1292c82d6.pdf
    • https://static.usrfiles.com/ugd/b8c837_79e5621b3b93465c933d78aa27bd31cc.pdf
    • https://static.usrfiles.com/ugd/4b7290_96f5fe411b0347398c99b8281cb9d811.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_off00005f6b.bin
2e0b8d272589a3979803128d91ba49ab73ef0d7362cd81bedbb7be98542d8b26		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5F6B 4924 bytes
font_01_sfnt_off0000702c.bin
ec949538932cd30903a0cddaaf63ef961ef2797312d8518d1c0b96803a0ee8e1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x702C 10948 bytes

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