Malicious PDF — malware analysis report

Static analysis result for SHA-256 db03d0862e11e100…

MALICIOUS

PDF

49.8 KB Created: 2020-07-29 15:44:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4591f283451206887f38abe095522782 SHA-1: 807599a800bbdf5a4e332e20e4f400aac5460e86 SHA-256: db03d0862e11e100af7f7aeede93e657b8d48d9365cc834663f86fc66a06e8f7
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, a significant number of which point to a redirector service (ttraff.cc) identified as malicious. The document body, though heavily obfuscated, suggests a lure related to 'The 7 Wonders of the Modern World' to encourage clicks on these links. The heuristic PDF_MALICIOUS_REDIRECTOR_LINK confirms the presence of links to known malicious redirector infrastructure, and PDF_SEO_LINK_FARM indicates a mass of external PDF links, likely for SEO manipulation or to 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.cc/pify?keyword=les+7+merveilles+du+monde+moderne+pdf
    • http://files.lmcoaching.co.uk/uploads/1/3/1/6/131636772/99416df58.pdf
    • http://files.anjaliyogact.com/uploads/1/3/1/4/131408170/7936527.pdf
    • http://files.emmaegaia.store/uploads/1/3/1/3/131379246/2291448.pdf
    • http://files.josephmace.com/uploads/1/3/1/4/131453384/kesakikuvov.pdf
    • http://files.rinmakeup.com/uploads/1/3/1/0/131070539/gokozam_dapujevoxab_tetedo.pdf
    • http://files.anjaliyog
    • https://cdn.shopify.com/s/files/1/0428/5346/6271/files/ruwumefobevumiritutipativ.pdf
    • https://cdn.shopify.com/s/files/1/0433/9056/6556/files/21769291751.pdf
    • https://cdn.shopify.com/s/files/1/0429/1421/8151/files/56871191172.pdf
    • https://cdn.shopify.com/s/files/1/0433/0291/2158/files/remuduwotezoze.pdf
    • https://cdn.shopify.com/s/files/1/0429/1585/6550/files/japijafividagun.pdf
    • https://cdn.shopify.com/s/files/1/0429/8306/3715/files/3941717494.pdf
    • https://cdn.shopify.com/s/files/1/0431/2052/5469/files/goxamalulajipoja.pdf
    • https://cdn.shopify.com/s/files/1/0429/2031/2991/files/datoguwimutusevamanewugul.pdf
    • https://cdn.shopify.com/s/files/1/0433/0474/7168/files/30737641181.pdf
    • https://cdn.shopify.com/s/files/1/0434/2346/5628/files/relovoxupupimivuga.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_off0000814d.bin
37da933c04f24464d40e53882982c45ac49ef698202b69685a8e526bbcdfacbe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x814D 4860 bytes
font_01_sfnt_off000091bd.bin
f7a305b2eb00fba5dc2bfeb7b3b6b67764a42f59951013337cc157d729d3e130		 pdf-font-stream PDF embedded font (sfnt) at offset 0x91BD 12208 bytes

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