Malicious PDF — malware analysis report

Static analysis result for SHA-256 961d51ff87e8cb51…

MALICIOUS

PDF

61.1 KB Created: 2020-08-30 23:21:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9450b2eacbcf6fa48dc82ac657d37167 SHA-1: e495cdd62b317a77e316bab6a8e749d29a9cd05c SHA-256: 961d51ff87e8cb519f87760474b36f6edee3a5f0dc8ef79a7ae2d3d60e242552
120 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it is a malicious redirector and a link farm. It embeds a URL that leads to a redirector, which is likely intended to host further malicious content or phishing pages. The document body, though heavily obfuscated, contains a reference to 'Warhammer novels timeline' and the malicious URL, suggesting a lure to entice users to click the link. No scripts were extracted, limiting the analysis of direct execution capabilities.

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=warhammer+novels+timeline
    • https://cdn.shopify.com/s/files/1/0429/6353/3977/files/zisagupakulet.pdf
    • https://cdn.shopify.com/s/files/1/0429/9853/0201/files/lenive.pdf
    • https://cdn.shopify.com/s/files/1/0431/7449/4369/files/test_de_raven_resuelto.pdf
    • https://static.usrfiles.com/ugd/95089d_50f582512b0b4525b27d8741b3ec4a75.pdf
    • https://static.usrfiles.com/ugd/b8c837_2bf05d33aec643fbaf93c37a4d577458.pdf
    • https://static.usrfiles.com/ugd/e32576_a724387473da47abb69db0b04f93e6d9.pdf
    • https://static.usrfiles.com/ugd/b8c837_ecdd369a514c4b62820ed775c77ba857.pdf
    • https://static.usrfiles.com/ugd/0aab01_a06299c847bf4996ad2a1def120e9341.pdf
    • https://static.usrfiles.com/ugd/b8c837_281e734dd9934f03bbd40e4afd39e7fb.pdf
    • https://static.usrfiles.com/ugd/e745be_715a985dedb042228d11369d69894c25.pdf
    • https://static.usrfiles.com/ugd/b8c837_beda2112739f4224a552c0d643a189dc.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_off0000b4a2.bin
840832e62a942d8aa8d9b24a023c185e1dbee88b9022ade2f9e51957b6a0f961		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB4A2 4996 bytes
font_01_sfnt_off0000c587.bin
79f3a33f4c1da23c843c88ae201952e2da14ec7a33810a5f2481a819a3666200		 pdf-font-stream PDF embedded font (sfnt) at offset 0xC587 10016 bytes

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