Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce5fe40b9fb601da…

MALICIOUS

PDF

41.9 KB Created: 2020-09-01 20:46:59 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5beb0d5017a8566046e090d316693e8f SHA-1: 2850d22d207daacd8cb83d6c48794ba5db2b8e8d SHA-256: ce5fe40b9fb601da6db76554dad51207ef073690638eb92d5f15306cf5c24f97
120 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, ttraff.me, which is likely used to obfuscate the final destination. The document body, though heavily obfuscated, contains the same URL and references a game topic, suggesting a lure. The presence of a link farm heuristic further indicates an attempt 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.me/pify?keyword=marvel+future+fight+ant+man+best+uniform
    • https://static.usrfiles.com/ugd/e33828_b8f94ae8ba154fc2ad9900e2d35aed47.pdf
    • https://static.usrfiles.com/ugd/3f0e57_05fca08186af4af3b3ca8a4225b26613.pdf
    • https://static.usrfiles.com/ugd/c068f8_8a901ec697934faca2a7e72f8f4e388f.pdf
    • https://cdn.shopify.com/s/files/1/0428/7981/1750/files/xubekevewitojozutoset.pdf
    • https://cdn.shopify.com/s/files/1/0431/5221/2130/files/web_to_chrome_plugin.pdf
    • https://cdn.shopify.com/s/files/1/0428/4848/5535/files/40557037494.pdf
    • https://cdn.shopify.com/s/files/1/0430/2045/1997/files/57655415605.pdf
    • https://static.usrfiles.com/ugd/3e9e83_e569ff7149ff4f5d87de5c48c343629d.pdf
    • https://static.usrfiles.com/ugd/3b47cb_21ede6ae70624457bad1c2a568f91d88.pdf
    • https://static.usrfiles.com/ugd/73c254_034962f6a0864efca87b319c8360b6a1.pdf
    • https://static.usrfiles.com/ugd/8ab72e_e35f477a213744a095b50d0b9b165fe8.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004c07.bin
6bae063b51cb812357eacd4fbd1e0686ac78f6cd987dc4d74854c033dfd7155a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4C07 5388 bytes
font_01_sfnt_off00005e40.bin
9e533df2d899bdc2de58bfe6457233d5fcb6ad0d37d2a57be7dcd170edf80b1c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E40 10000 bytes
font_02_sfnt_off000080b3.bin
da4576c3faf87fb84c1be9e41698608def776bc7df3826db1045b40dd4f0d0ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x80B3 17528 bytes

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