Malicious PDF — malware analysis report

Static analysis result for SHA-256 27a824a531415c4c…

MALICIOUS

PDF

40.8 KB Created: 2020-08-31 22:23:34 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 3cb7827214f770e5ad00f634aa8bef55 SHA-1: 56739943964a901015f3f0122d51b2ff1b9ca995 SHA-256: 27a824a531415c4c03c7de925f4c7ee8511a127159dcf6ab6b900c5f361a6050
128 Risk Score

Malware Insights

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

This PDF file contains a link farm designed to lure users with search engine optimized content, specifically mentioning 'Asphalt 8 cheats android free'. The primary malicious link, https://ttraff.cc/wix?keyword=asphalt+8+cheats+android+free, redirects to known malicious infrastructure. The document's structure and embedded links indicate a phishing or redirection attempt to a potentially harmful site.

Heuristics 4

  • 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.
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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=asphalt+8+cheats+android+free
    • https://cdn.shopify.com/s/files/1/0431/4162/8072/files/fowen.pdf
    • https://cdn.shopify.com/s/files/1/0430/9506/4733/files/psychology_in_modules_11th_edition_free.pdf
    • https://cdn.shopify.com/s/files/1/0432/9101/7374/files/66991548378.pdf
    • https://static.usrfiles.com/ugd/b8c837_463de93d2f4c4289be6300a96b299f5c.pdf
    • https://static.usrfiles.com/ugd/b8c837_9fc565d8a5fe4862abe0ccba70beb78f.pdf
    • https://static.usrfiles.com/ugd/9edd50_20d6aefd19cf462191791766810cf35f.pdf
    • https://static.usrfiles.com/ugd/b8c837_473a88f600f445a1aba8ba4fff4a6b36.pdf
    • https://static.usrfiles.com/ugd/704566_dd1a00149348438684ab3dc0a07fbc14.pdf
    • https://static.usrfiles.com/ugd/221f3a_7e2ff9662c584cf8aa9a60a31bffa182.pdf
    • https://static.usrfiles.com/ugd/1849a1_5ef6223addce48e89ba597b458ec50e9.pdf
    • https://static.usrfiles.com/ugd/c162b3_37d3965defb548d4957b3d8c2163287f.pdf
    • https://static.usrfiles.com/ugd/136d07_39853fd1374c461fbddedc4a406efbf4.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_off00006124.bin
d2784faa31f96f5cab9dd05299b32894ad7bf01441376d4f25f3c5e5141219fe		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6124 5428 bytes
font_01_sfnt_off00007393.bin
48853abb88fe5f180238a837e26feabb035fef85290b4521586c7b6be7969991		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7393 10340 bytes

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