Malicious PDF — malware analysis report

Static analysis result for SHA-256 df58960ea3d51964…

MALICIOUS

PDF

43.1 KB Created: 2020-07-28 16:44:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 55485400c10fbfe02a9f890fee7022ee SHA-1: 07210161dca051d300ca461ca568d66d6ea1c457 SHA-256: df58960ea3d51964fb0e4ae4cc62de7b62b970578d3f57c6feb9094c843d6c6a
120 Risk Score

Malware Insights

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

The PDF file was flagged for containing a malicious redirector link and a large number of embedded links, indicating a link farm. The primary malicious URL identified is 'https://ttraff.ru/pify?keyword=bodyguard+movie+salman+khan+song'. The document body appears to be heavily obfuscated or corrupted, preventing a clear understanding of its intended lure. However, the presence of numerous external links strongly suggests a phishing or malware distribution attempt.

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/pify?keyword=bodyguard+movie+salman+khan+song
    • http://files.neptunehouseresales.com/uploads/1/3/1/3/131379615/nisora.pdf
    • http://files.jackyabbott.com/uploads/1/3/0/7/130776887/giwaguromu.pdf
    • http://files.heatherrule.com/uploads/1/3/1/4/131438658/fabotonoxarow.pdf
    • http://files.heatherrule.com/uploads/1/3/1/4/131438
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/woburorofinuxup.pdf
    • https://cdn.shopify.com/s/files/1/0438/8470/7992/files/bolijijujitu.pdf
    • https://cdn.shopify.com/s/files/1/0428/2961/1171/files/vowigovetim.pdf
    • https://cdn.shopify.com/s/files/1/0431/6128/8868/files/16683948064.pdf
    • https://cdn.shopify.com/s/files/1/0430/7258/5881/files/xitot.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/22700630349.pdf
    • https://cdn.shopify.com/s/files/1/0431/9854/6082/files/13634358523.pdf
    • https://cdn.shopify.com/s/files/1/0438/3444/1885/files/ritodusirexulivovew.pdf
    • https://cdn.shopify.com/s/files/1/0434/9706/2564/files/bazogefitovel.pdf
    • https://cdn.shopify.com/s/files/1/0440/5598/6341/files/zuroraluwukobiwopu.pdf
    • https://cdn.shopify.com/s/files/1/0427/9166/5830/files/sakis.pdf
    • https://cdn.shopify.com/s/files/1/0437/7303/4658/files/87206554548.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_off00006ad4.bin
bfa2b3f6645daa2c96b618aa39ef9ca1e03148a42806f3ae8de90f2dd4dfb408		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6AD4 5316 bytes
font_01_sfnt_off00007cb8.bin
fb8dca292dc34123e8b67c50a589a1f3ef9d7089794581b7033f352762f01d12		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7CB8 10040 bytes

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