Malicious PDF — malware analysis report

Static analysis result for SHA-256 e464ad41b3d40e53…

MALICIOUS

PDF

43.9 KB Created: 2020-08-15 03:56:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 56f81197931a68f853f4cd97d487f51c SHA-1: 795c54586800d4d91572bf25a139693b979b6d38 SHA-256: e464ad41b3d40e53034c36dd5ac76f5441b0c226f148caebf5855e03ad60c944
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 links, identified as a PDF link farm. One of these links, 'https://ttraff.com/pify?keyword=nds+for+ios', is flagged as a malicious redirector. The document body, though heavily obfuscated, contains references to this URL and other Shopify-hosted PDFs, suggesting a coordinated effort to drive traffic to malicious infrastructure. The primary intent appears to be directing users to potentially malicious content or phishing sites.

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.com/pify?keyword=nds+for+ios
    • http://files.gnv-daerligen.ch/uploads/1/3/0/9/130969889/nagomonifida.pdf
    • http://files.beyondthebody.org/uploads/1/3/1/4/131438058/1642462.pdf
    • http://files.lacindra.com/uploads/1/3/0/8/130814298/5787818.pdf
    • http://files.turtlebeachpc08.com/uploads/1/3/2/7/132710491/8583117.pdf
    • https://cdn.shopify.com/s/files/1/0433/6159/9643/files/35851420562.pdf
    • https://cdn.shopify.com/s/files/1/0430/3486/9921/files/zizanozesetom.pdf
    • https://cdn.shopify.com/s/files/1/0439/1229/8648/files/32541066329.pdf
    • https://cdn.shopify.com/s/files/1/0428/2312/3100/files/bobijelir.pdf
    • https://cdn.shopify.com/s/files/1/0433/5098/2805/files/telonisoxasipevig.pdf
    • https://cdn.shopify.com/s/files/1/0435/0532/0088/files/66796114082.pdf
    • https://cdn.shopify.com/s/files/1/0431/4251/2797/files/16_hp_briggs_and_stratton.pdf
    • https://cdn.shopify.com/s/files/1/0431/7492/0347/files/32150975819.pdf
    • https://cdn.shopify.com/s/files/1/0434/1573/2381/files/rozog.pdf
    • https://cdn.shopify.com/s/files/1/0437/1175/8491/files/gejanogiwateroto.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_off00006e67.bin
950e574aacf85995d2d1589ed120fef6a485364043b9e7653da9d115bd64b00e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6E67 4628 bytes
font_01_sfnt_off00007e34.bin
997d8a3183fdad26e7c3dcab0240558b9358f1b287e3aad86b89c32482da2aea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7E34 10912 bytes

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