Malicious PDF — malware analysis report

Static analysis result for SHA-256 97fe5a6a92f74c8a…

MALICIOUS

PDF

39.4 KB Created: 2020-08-03 11:17:22 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 4bb1d65e4cded373410db79dc216c35a SHA-1: 2b15a2d09c2028f1d61e072a64e880bd853a3ab6 SHA-256: 97fe5a6a92f74c8a4bead04404fd398e697cf68ccd769058568a986f7f4e58e4
120 Risk Score

Malware Insights

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

The PDF file contains a significant number of embedded URLs, with a critical heuristic firing for a PDF link farm. One of these URLs, 'https://ttraff.cc/pify?keyword=one+piece+subbed', is flagged as a malicious redirector. The document body, though heavily obfuscated, also contains this URL and other links to PDF files hosted on Shopify. This suggests a campaign focused on link manipulation or hosting malicious content disguised as legitimate documents.

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/pify?keyword=one+piece+subbed
    • http://files.rock-and-crystal.com/uploads/1/3/0/7/130775634/jedowabadek.pdf
    • http://files.ezrollpocketwraps.com/uploads/1/3/0/9/130969476/mewozibag.pdf
    • http://files.surreycreepcatcher.com/uploads/1/3/1/4/131438193/lubumujokovilajo.pdf
    • http://files.pianolessonsbyjulie.com/uploads/1/3/1/3/131380868/59baef08.pdf
    • https://cdn.shopify.com/s/files/1/0440/8557/5832/files/lufapoweravuzusa.pdf
    • https://cdn.shopify.com/s/files/1/0428/4583/1335/files/garbage_stupid_girl_lyrics.pdf
    • https://cdn.shopify.com/s/files/1/0439/0970/9976/files/25160034552.pdf
    • https://cdn.shopify.com/s/files/1/0428/2348/3548/files/634636378.pdf
    • https://cdn.shopify.com/s/files/1/0429/1395/6006/files/gajukupopovesoxul.pdf
    • https://cdn.shopify.com/s/files/1/0434/6799/7344/files/sobafopewigetezirejetol.pdf
    • https://cdn.shopify.com/s/files/1/0431/4015/3505/files/luseforurunowu.pdf
    • https://cdn.shopify.com/s/files/1/0436/8711/6965/files/95244808951.pdf
    • https://cdn.shopify.com/s/files/1/0429/1562/7175/files/gatogepamazeladujilan.pdf
    • https://cdn.shopify.com/s/files/1/0434/4207/7846/files/3373868644.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_off00005d75.bin
3a6fe11586515d05f0565917df8a8b32a096f9fcae83490ac7e4db67d9e81f65		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5D75 4896 bytes
font_01_sfnt_off00006e27.bin
1a80f43650d38ec58937c06963554e0d84bf88c8e9e5063176599914d5058855		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E27 10248 bytes

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