Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1bd3a6e504f8df5…

MALICIOUS

PDF

33.1 KB Created: 2020-08-03 06:24:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4c54c6e40f3eb6098df528fc58c974bf SHA-1: 349d1eb22e63766ac0c349c38ecf97323742c404 SHA-256: e1bd3a6e504f8df52b0ed21df0ac5130c2ec47517015fa1bf82ea8cb9d72b878
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, many pointing to Shopify domains, but one critical link directs to a known malicious redirector. This suggests the document is designed as a link farm to distribute malicious content or lead users to phishing sites. The primary malicious URL identified is https://ttraff.com/pify?keyword=vyond+comedy+world+character+creator+github.

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/pify?keyword=vyond+comedy+world+character+creator+github
    • http://files.museautoproject.com/uploads/1/3/1/8/131858661/gajizopogadinuvaxug.pdf
    • http://files.nestnnurture.com/uploads/1/3/1/4/131406202/9022338.pdf
    • http://files.priorityarts.com/uploads/1/3/1/3/131379671/9441232.pdf
    • http://files.wizardmarqueesandevents.co.uk/uploads/1/3/0/7/130775659/7817185.pdf
    • https://cdn.shopify.com/s/files/1/0435/2881/4741/files/57842623724.pdf
    • https://cdn.shopify.com/s/files/1/0441/0998/7992/files/96752719856.pdf
    • https://cdn.shopify.com/s/files/1/0427/8734/0454/files/61326040628.pdf
    • https://cdn.shopify.com/s/files/1/0439/8071/8238/files/786_910_3575.pdf
    • https://cdn.shopify.com/s/files/1/0429/9158/3391/files/naruto_shippuden_episode_337_english_dubbed.pdf
    • https://cdn.shopify.com/s/files/1/0433/7631/2478/files/94079579970.pdf
    • https://cdn.shopify.com/s/files/1/0437/7932/6103/files/lubosufuketolipubojuxogit.pdf
    • https://cdn.shopify.com/s/files/1/0428/5261/4311/files/81559972990.pdf
    • https://cdn.shopify.com/s/files/1/0428/9314/8313/files/gedevi.pdf
    • https://cdn.shopify.com/s/files/1/0435/8704/3496/files/gused.pdf
    • https://cdn.shopify.com/s/files/1/0449/4455/6187/files/add_header_to_google_sheets.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/dedepisolutiri.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_off000044f7.bin
6574a3aac5c0dca9d05db724669cdcb653cd2a93dbd6c72e74886e9fe3923c63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x44F7 5472 bytes
font_01_sfnt_off0000577e.bin
7e8ae5d98fa61bf22fd2f873dddeb4a9bb9fd427fd6278b6d0318040999666b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x577E 9296 bytes

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