Malicious PDF — malware analysis report

Static analysis result for SHA-256 481f5c336b4b074e…

MALICIOUS

PDF

35.1 KB Created: 2020-08-23 10:58:01 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3ed8590a9ed9f8e2ff16815d4cca2655 SHA-1: de02accc256dea09a037ada793a08eab7c0e923f SHA-256: 481f5c336b4b074e4beb90a3cee4baa9c739ca3d953265228032e5c4c71575c9
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, with one pointing to a known malicious redirector at 'https://ttraff.com/pify?keyword=bodyguard+movie+song++mr+jatt'. This suggests the document is designed to lure users to malicious websites. The presence of numerous other links, many hosted on shopify.com, indicates a potential link farm or SEO poisoning tactic 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.com/pify?keyword=bodyguard+movie+song++mr+jatt
    • http://files.samuelclemens1856.com/uploads/1/3/2/3/132302926/b706d1ea4fbca.pdf
    • http://wosan.starladeanmft.com/uploads/1/3/1/4/131453247/golosarabugivegab.pdf
    • https://cdn.shopify.com/s/files/1/0431/1089/1682/files/besos_de_chocolate_gratis.pdf
    • https://cdn.shopify.com/s/files/1/0431/0463/2992/files/ropijezorunaxamoxe.pdf
    • https://cdn.shopify.com/s/files/1/0427/6781/0726/files/29401564007.pdf
    • https://cdn.shopify.com/s/files/1/0435/6413/8651/files/timesheet_html_code.pdf
    • https://cdn.shopify.com/s/files/1/0427/9966/1223/files/78408052600.pdf
    • https://cdn.shopify.com/s/files/1/0431/5624/2581/files/75210466009.pdf
    • https://cdn.shopify.com/s/files/1/0438/6439/1845/files/strategic_planning_process.pdf
    • https://cdn.shopify.com/s/files/1/0435/8442/2051/files/breathing_underwater_rohr.pdf
    • https://cdn.shopify.com/s/files/1/0432/3419/7666/files/dictionary_of_behavior_therapy_techniques.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/44411244229.pdf
    • https://cdn.shopify.com/s/files/1/0428/6690/1148/files/7169086318.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_off00004c49.bin
79806fa907f06cbb9d350bcd1eab860db471987b10aac3e3b39a170fa333957b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C49 5400 bytes
font_01_sfnt_off00005ea3.bin
3720a19ac543a9a0d9c5f1e362ae98e605ea9f3958d36a68836cfeabf9fe4fe3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5EA3 9704 bytes

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