Malicious PDF — malware analysis report

Static analysis result for SHA-256 38e28555f4358747…

MALICIOUS

PDF

39.8 KB Created: 2020-08-30 15:25:37 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: c2cfcd44611ff3c3756dc3a06833df51 SHA-1: 5cace38f1932179f12b1731d14ba600c0545b121 SHA-256: 38e28555f43587477beba274500a6d356d8f6f6155b11f18691ce80d8c12661c
150 Risk Score

Malware Insights

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

The PDF contains a link that redirects to a known malicious URL, disguised with a keyword related to movie downloads. This indicates a phishing or social engineering attempt to redirect users to malicious content. The ML classifier also flagged this PDF with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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/wix?keyword=raag+desh+movie+download
    • https://static.usrfiles.com/ugd/b8c837_9b16d1d4224f41dd92eab41919879f9f.pdf
    • https://static.usrfiles.com/ugd/6290de_b8be590e1953400faf35a0c159629858.pdf
    • https://static.usrfiles.com/ugd/b8c837_4d3dbe04bd254adab6e54360a7e1c938.pdf
    • https://static.usrfiles.com/ugd/47b1e8_03696761e03b4e0d9726708b3bcd03dc.pdf
    • https://static.usrfiles.com/ugd/0779a3_ecd01818e83048da86454237bdf0ba19.pdf
    • https://static.usrfiles.com/ugd/d1c05f_1719867487884074a096a51552cca46b.pdf
    • https://static.usrfiles.com/ugd/89064d_2bdf49297bed46459911bcca6c9f9a32.pdf
    • https://cdn.shopify.com/s/files/1/0431/5250/7036/files/xesunijodo.pdf
    • https://cdn.shopify.com/s/files/1/0432/3409/9362/files/sheet_metal_guillotine_for_sale_uk.pdf
    • https://cdn.shopify.com/s/files/1/0431/7465/8216/files/51584560463.pdf
    • https://static.usrfiles.com/ugd/e73fea_14ee78f0db8746c68a511193287345b8.pdf
    • https://static.usrfiles.com/ugd/b8c837_85f6f5ce8cc248e7a4413e0384b2d39e.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_off000050c2.bin
f0c3ecbc676897e564b563770927f07bc739c50a7daab3ae09c155ab057e1a2c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x50C2 5012 bytes
font_01_sfnt_off000061b9.bin
efe02dc806da0e7f2c85a9e0069026f7a404b16d44e662f73a5a293957eb2292		 pdf-font-stream PDF embedded font (sfnt) at offset 0x61B9 10324 bytes
font_02_sfnt_off000084d7.bin
ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x84D7 4324 bytes

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