Malicious PDF — malware analysis report

Static analysis result for SHA-256 76e007707e51ee53…

MALICIOUS

PDF

43.6 KB Created: 2020-08-27 16:09:25 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5e852092c9129755de0104f4f6e233f8 SHA-1: caf26ec3aaa068fb6a09c8aa90cd39fb7d6d81f0 SHA-256: 76e007707e51ee533effa10c9f7bbdb4aa36bbbac9fa315591a2ccfccd7b7f53
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains multiple embedded links, with a critical heuristic identifying a redirector link to 'ttraff.com'. This indicates a phishing or redirection attempt. The document body, though heavily obfuscated, contains the same redirector URL and a benign-looking Shopify URL, likely part of a link farm to improve search engine ranking for malicious content. The primary attack vector appears to be luring the user to a malicious site via a deceptive link.

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=valentino+production+sound+effects+l
    • http://bifegofet.fitnessnco.com/uploads/1/3/0/9/130969192/9492520.pdf
    • http://files.georginarosannamurray.com/uploads/1/3/1/4/131453024/rafifesusora.pdf
    • https://cdn.shopify.com/s/files/1/0439/3297/5272/files/legopef.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dedijadexurusefux.pdf
    • https://cdn.shopify.com/s/files/1/0440/5808/3493/files/how_to_uninstall_word_on_mac.pdf
    • https://cdn.shopify.com/s/files/1/0427/8022/9791/files/67858481194.pdf
    • https://cdn.shopify.com/s/files/1/0431/4356/1384/files/augmented_reality_in_retail.pdf
    • https://cdn.shopify.com/s/files/1/0435/6990/5825/files/am_i_stupid.pdf
    • https://cdn.shopify.com/s/files/1/0430/8310/4409/files/4108516016.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/13534048661.pdf
    • https://cdn.shopify.com/s/files/1/0432/5621/7750/files/english_phonetic_symbols_with_examples.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000060af.bin
96e7623a4edec0d54dfb5d4b6398974e80aeff1175d039b98df625d722d8e325		 pdf-font-stream PDF embedded font (sfnt) at offset 0x60AF 4996 bytes
font_01_sfnt_off000071b6.bin
c44867b4d4c78a0ccb9cb0ccb234e92a4505ba6fe389802de0757c2817688dc8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x71B6 9968 bytes
font_02_sfnt_off000093e1.bin
1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x93E1 4324 bytes

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