Malicious PDF — malware analysis report

Static analysis result for SHA-256 da5e504789fd3c3b…

MALICIOUS

PDF

44.7 KB Created: 2020-08-18 17:56:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 89ef1db6fd75367ecacc9f81d20b6f1b SHA-1: 081c9a3ad00f287ed755a337db99bdc2f3f3511e SHA-256: da5e504789fd3c3bb487bd776fcceae51834d83acedd289ecbaae1f05b27c58e
120 Risk Score

Malware Insights

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

The PDF contains a mass link farm, with one URL pointing to a known malicious redirector. The document body, though heavily obfuscated, contains text related to 'latest hollywood movies' and the malicious URL, suggesting a lure. The primary malicious URL is https://ttraff.cc/pify?keyword=latest+hollywood+movies+full+hd+free, which is likely used to redirect the user to a further malicious destination.

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.cc/pify?keyword=latest+hollywood+movies+full+hd+free
    • http://files.bookhivebeerclub.com/uploads/1/3/0/9/130969910/f65beae6b726.pdf
    • http://files.exportactionusa.com/uploads/1/3/1/4/131455337/sowijijilefoxusejowa.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/vixegenosevisime.pdf
    • https://cdn.shopify.com/s/files/1/0432/4327/4402/files/biblioteca_del_evangelio_sud.pdf
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/97897646990.pdf
    • https://cdn.shopify.com/s/files/1/0432/3049/4878/files/dukijipo.pdf
    • https://cdn.shopify.com/s/files/1/0437/5887/8872/files/sedalutumafoxug.pdf
    • https://cdn.shopify.com/s/files/1/0427/7141/5196/files/55316031998.pdf
    • https://cdn.shopify.com/s/files/1/0433/7994/9718/files/meboturesiwexe.pdf
    • https://cdn.shopify.com/s/files/1/0430/3673/7699/files/aqeedah_al_wasitiyyah_arabic.pdf
    • https://cdn.shopify.com/s/files/1/0433/9341/7366/files/26755547840.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_off00005b00.bin
7d51728ae539befac9c807a05bbd30aae5ce015e29fea0748e7ce876afdd5281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5B00 5340 bytes
font_01_sfnt_off00006d21.bin
9cc5a725cb8bfeb8dddcf88cd62d5d7ff7fedb57843590500f9356fcfe13198b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6D21 10376 bytes
font_02_sfnt_off000090ce.bin
ead7fd593d7f5feef6f283420e9b55f8fa4552f107c64b0063d474dd3355abd8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x90CE 16164 bytes

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