Malicious PDF — malware analysis report

Static analysis result for SHA-256 e053a22c79218385…

MALICIOUS

PDF

58.6 KB Created: 2020-08-29 09:58:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 92d004d99cec7650f2b38f50156c8926 SHA-1: 9d5911ab1dc1f4929a75672d14e14dceee679e6d SHA-256: e053a22c792183851783ef068d0567addf0186ec45f5944839783a2632812ff6
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF file contains a critical heuristic firing for a malicious redirector link, pointing to 'https://ttraff.ru/wix?keyword=blood+angels+codex+release+date'. This URL is likely part of a phishing or malware distribution scheme. The document body, though heavily obfuscated, also contains this URL, reinforcing its malicious intent. The presence of a link farm heuristic further suggests an attempt to manipulate search engine results or distribute malicious content.

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=blood+angels+codex+release+date
    • https://static.usrfiles.com/ugd/b8c837_b5cb405eec374da292893a431cdc0498.pdf
    • https://static.usrfiles.com/ugd/b8c837_13069e5ea59e426e91a94cabcaab5760.pdf
    • https://static.usrfiles.com/ugd/b8c837_012066c4100a4d72aa42819e8794940d.pdf
    • https://cdn.shopify.com/s/files/1/0429/1775/7095/files/astringente_definicion.pdf
    • https://cdn.shopify.com/s/files/1/0431/8865/0141/files/reviso_bibliogrfica_metodologia.pdf
    • https://static.usrfiles.com/ugd/b8c837_f597cbd6716a4d549b8655d98ca9ebd9.pdf
    • https://static.usrfiles.com/ugd/b8c837_8a7a258c2be2446ca774dd299c9206b9.pdf
    • https://static.usrfiles.com/ugd/b8c837_039eb785c3ad49aeba5a0d4b715387a2.pdf
    • https://static.usrfiles.com/ugd/b8c837_a27ceee5ee714d4b8ebded0024d36048.pdf
    • https://cdn.shopify.com/s/files/1/0440/1247/0422/files/niteke.pdf
    • https://cdn.shopify.com/s/files/1/0429/3692/6374/files/vomupowivofukikizuf.pdf
    • https://cdn.shopify.com/s/files/1/0451/0197/3657/files/nunununem.pdf
    • https://cdn.shopify.com/s/files/1/0466/5252/2661/files/nutrition_information_la_madeleine_tomato_basil_soup.pdf
    • https://cdn.shopify.com/s/files/1/0430/0334/7098/files/foxefumivavamoxugixapodo.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_off00009c54.bin
e2f645e61c2eac4c088b4fed5e64e931cda7a6cf08b530be26637c920706a4ad		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9C54 5224 bytes
font_01_sfnt_off0000ae2c.bin
36123ca014c6f660d422cd98a260a0b73a282b1ca1b0b4f5176f3aa769c7cd65		 pdf-font-stream PDF embedded font (sfnt) at offset 0xAE2C 15600 bytes

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