Malicious PDF — malware analysis report

Static analysis result for SHA-256 854be2d3cb0a1f26…

MALICIOUS

PDF

35.8 KB Created: 2020-08-02 07:34:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3e25e370aaf11fb79045c920c1dc0ab7 SHA-1: 66d54889aa68566b9fd0bd8eb072808a58b6d27a SHA-256: 854be2d3cb0a1f263dd5681ca40584dcc9042a475529fc1f43486a0a8b37da9f
120 Risk Score

Malware Insights

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

The PDF file contains numerous embedded links, a common tactic for SEO poisoning and redirecting users to malicious sites. One prominent link, 'https://ttraff.cc/pify?keyword=white+collar+season+6+torrent', directly points to a known malicious redirector. The document body, though heavily obfuscated, also contains this URL, reinforcing the lure. The presence of a link farm heuristic further supports the malicious intent.

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=white+collar+season+6+torrent
    • http://files.fauxmesticgoddess.com/uploads/1/3/1/8/131856381/gevaxil.pdf
    • http://files.maisyandlolarentals.com/uploads/1/3/2/7/132740307/1963205.pdf
    • http://files.pandagazette.com/uploads/1/3/2/6/132682338/be07bf8.pdf
    • https://cdn.shopify.com/s/files/1/0435/6341/7759/files/11837017947.pdf
    • https://cdn.shopify.com/s/files/1/0433/0323/9840/files/heap_implementation_in_c.pdf
    • https://cdn.shopify.com/s/files/1/0428/3655/7987/files/the_respect_principle_free.pdf
    • https://cdn.shopify.com/s/files/1/0431/4185/7448/files/miresewi.pdf
    • https://cdn.shopify.com/s/files/1/0434/4630/4920/files/50866735482.pdf
    • https://cdn.shopify.com/s/files/1/0431/1734/6965/files/kulunov.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/69143450337.pdf
    • https://cdn.shopify.com/s/files/1/0436/4396/1504/files/73695171730.pdf
    • https://cdn.shopify.com/s/files/1/0432/7014/4166/files/74287742421.pdf
    • https://cdn.shopify.com/s/files/1/0428/9105/1161/files/93754742424.pdf
    • https://cdn.shopify.com/s/files/1/0430/1671/6437/files/zowodajaniwiveri.pdf
    • https://cdn.shopify.com/s/files/1/0429/3243/7158/files/bomiziponowegiso.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_off00004cfe.bin
34a6fb9f1668023047d5d956f7256fa1ffc1787ab3202e4b27b3299172b2ab17		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4CFE 5052 bytes
font_01_sfnt_off00005e38.bin
e946051cf58c1748e9fabd104e481aad64131ba33e07947d6225a4d489935d14		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5E38 10580 bytes

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