Malicious PDF — malware analysis report

Static analysis result for SHA-256 f659519d41d17de6…

MALICIOUS

PDF

58.2 KB Created: 2020-08-04 01:00:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ad2811dc4e05f11c64e630d5d139c79 SHA-1: e94a33e56d2fe8d2b82b3966a931037175ac11b6 SHA-256: f659519d41d17de627fff2b592d79eefb00ad97b4c90cb6c5691c8ddd8f4043f
120 Risk Score

Malware Insights

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

The PDF contains numerous embedded links, with one pointing to a known malicious redirector at 'https://ttraff.ru/pify?keyword=peter+pan+story+with+pictures+pdf'. The document body, though heavily obfuscated, appears to contain the same lure text and URLs. This suggests a phishing attempt designed to redirect users to 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/pify?keyword=peter+pan+story+with+pictures+pdf
    • http://files.visitadamscountywi.com/uploads/1/3/2/8/132815008/rinexebifakit.pdf
    • http://files.megjohnson.org/uploads/1/3/1/4/131406288/4189272.pdf
    • http://files.rivervalleyobedienceclub.com/uploads/1/3/1/8/131871740/3672398.pdf
    • http://files.bermudacookieco.com/uploads/1/3/2/8/132814958/9c4e5.pdf
    • https://cdn.shopify.com/s/files/1/0431/2439/2093/files/riputowokidupakugopo.pdf
    • https://cdn.shopify.com/s/files/1/0429/7677/2250/files/34766598049.pdf
    • https://cdn.shopify.com/s/files/1/0430/3103/6053/files/18420279593.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/mujunevuduw.pdf
    • https://cdn.shopify.com/s/files/1/0432/5192/5155/files/60146808333.pdf
    • https://cdn.shopify.com/s/files/1/0427/9681/0396/files/bavikirid.pdf
    • https://cdn.shopify.com/s/files/1/0427/8976/5276/files/kimodab.pdf
    • https://cdn.shopify.com/s/files/1/0431/6731/8167/files/wow_classic_aoe_grind_spots.pdf
    • https://cdn.shopify.com/s/files/1/0431/7482/2043/files/lefijatifagaposise.pdf
    • https://cdn.shopify.com/s/files/1/0434/8307/0629/files/75051924877.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_off0000a6cb.bin
ed3bc8b70566517fb4b45584a2f9e87d7a5f5f5feb1328c97d84873da270eb6c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA6CB 5408 bytes
font_01_sfnt_off0000b942.bin
0ed1d39a325114b9125ad5596b14b23161f87754dbc628d3e96b2242f7b0d6ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB942 10024 bytes

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