Malicious PDF — malware analysis report

Static analysis result for SHA-256 b2d21f56d56692e4…

MALICIOUS

PDF

42.7 KB Created: 2020-08-19 14:45:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7a32a1e6bc4f9caff954b09567960c8d SHA-1: bb8eb42cc88f8de6f6db1a6fb79ed07fda2210e5 SHA-256: b2d21f56d56692e4745639646415408a9e76f0eae88ce64ff6f2197186b780bb
60 Risk Score

Malware Insights

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

The PDF document contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL, https://ttraff.com/pify?keyword=modified+mrc+dyspnea+scale+pdf, is the primary indicator of malicious intent. While the document body contains garbled text, the presence of this URL strongly suggests a phishing or malware delivery attempt. No scripts were extracted, limiting further analysis of the payload.

Heuristics 2

  • 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.
  • 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=modified+mrc+dyspnea+scale+pdf
    • http://pedomefi.redlineinstallers.com/uploads/1/3/2/6/132680981/jojufunijovowewobu.pdf
    • https://cdn.shopify.com/s/files/1/0432/7522/3200/files/56371975276.pdf
    • https://cdn.shopify.com/s/files/1/0429/5743/9129/files/48780763324.pdf
    • https://cdn.shopify.com/s/files/1/0439/2799/4523/files/gozedadu.pdf
    • https://cdn.shopify.com/s/files/1/0437/7162/5634/files/votepidoraxigozolesunasez.pdf
    • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/tinoled.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/28391359898.pdf
    • https://cdn.shopify.com/s/files/1/0437/7686/8510/files/ashoka_the_great_biography.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_off00006959.bin
71555d5a91fcf632a266f23750ab805aaeb6ec423ae8f6d733888e7124bb878f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6959 5408 bytes
font_01_sfnt_off00007bba.bin
063fc52f84ae5a372afb036686d3a0c6495c3ea199ef226e7945d85b07cc4cde		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7BBA 10316 bytes

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