Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee2ca3214dd19ea6…

MALICIOUS

PDF

99.3 KB Created: 2020-08-30 07:18:41 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 709e36337f99dadcc9bdeb475661bcf4 SHA-1: 613c4de1739965356ad2b0a787055536bb68bad7 SHA-256: ee2ca3214dd19ea69ebbfc3967178f88a0bd94c6dcbda40e212a1b7107df9018
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'ttraff.ru'. Additionally, it exhibits characteristics of a PDF link farm, with numerous embedded links, many hosted on Shopify. The document body, though heavily obfuscated, contains the same redirector URL. This suggests the primary intent is to redirect the user to 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.ru/wix?keyword=madinah+arabic+book+1
    • https://cdn.shopify.com/s/files/1/0432/4294/6728/files/zonibejuze.pdf
    • https://cdn.shopify.com/s/files/1/0432/4484/7266/files/71551160034.pdf
    • https://cdn.shopify.com/s/files/1/0430/6350/9146/files/dell_inspiron_14_review.pdf
    • https://cdn.shopify.com/s/files/1/0430/9801/3845/files/12514018886.pdf
    • https://cdn.shopify.com/s/files/1/0433/7005/3784/files/53018416004.pdf
    • https://static.usrfiles.com/ugd/b8c837_8504500544b640ccb6d6e3bd2b5bb9df.pdf
    • https://static.usrfiles.com/ugd/b8c837_be614cb940534a99ba493049139c3711.pdf
    • https://static.usrfiles.com/ugd/b8c837_73d299d862fd4e2e9863d1280a5e008d.pdf
    • https://static.usrfiles.com/ugd/b8c837_bad49abe751b4e6fbf4d31c8e0ebd9e1.pdf
    • https://static.usrfiles.com/ugd/3f80ec_8741f2692a2f41d8a2fe75ac4ee2b1bb.pdf
    • https://static.usrfiles.com/ugd/7598fa_9cdeccdc7d9b478ea3dd69841a85b7ed.pdf
    • https://static.usrfiles.com/ugd/b8c837_7430fe01572444d5a71cf611f5bbdda0.pdf
    • https://static.usrfiles.com/ugd/b8c837_d3970dcf940a419e8db6405f4b8fbe54.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
stream_006_off000158a0.bin
e672fe24b22110f7d0155a254b3e893dcfede6a606be32a7eab07210968785d9		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x158A0 22316 bytes
font_00_sfnt_off00010ad6.bin
41ea19a84bf9a2bec08b8b8f84c855513288c0f816199ab8b6d74bdbcf055688		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10AD6 5080 bytes
font_01_sfnt_off00011c15.bin
987518c30166e4098dd0346954b40235cb45efef7c93759ced97bf20ef1eede6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11C15 19584 bytes

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