Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d9fe1c0d91403ee…

MALICIOUS

PDF

156.9 KB Created: 2020-08-06 10:20:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b4cf8a7d14a3d713cac0ef0fd1b608f2 SHA-1: 0a44f3824cd453c1ebc972dd565c8b8612c237b5 SHA-256: 3d9fe1c0d91403ee8f1afde84698a3704ebdaae050d1804bfcae86a21a58c97a
90 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating it links to known malicious redirector infrastructure. The embedded URL, 'https://ttraff.cc/pify?keyword=beauty+and+the+beast+script+pdf+2020', is the primary indicator of malicious intent. The document body, though heavily obfuscated, contains this URL, suggesting a social engineering lure to redirect the user to a malicious site. The ML classifier also strongly flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.cc/pify?keyword=beauty+and+the+beast+script+pdf+2020
    • http://files.grimbuilders.com/uploads/1/3/0/8/130813489/bixitun_zibadem_kekolijuzelupek_wizazanawobek.pdf
    • http://files.boysandgirlsclubsglbr.com/uploads/1/3/1/3/131379639/7134242.pdf
    • http://files.pasan.org/uploads/1/3/1/3/131380342/misoju.pdf
    • https://cdn.shopify.com/s/files/1/0428/3092/1895/files/researchgate_download.pdf
    • https://cdn.shopify.com/s/files/1/0430/0147/9321/files/bogudawopofuxiwo.pdf
    • https://cdn.shopify.com/s/files/1/0433/2804/5209/files/barnes_reloading_manual.pdf
    • https://cdn.shopify.com/s/files/1/0438/4748/3552/files/lewemeluzuxikovela.pdf
    • https://cdn.shopify.com/s/files/1/0431/8094/9659/files/tiduvifafaxu.pdf
    • https://cdn.shopify.com/s/files/1/0437/5340/6618/files/bovorafel.pdf
    • https://cdn.shopify.com/s/files/1/0427/9474/6023/files/xedunitezekabititazesabew.pdf
    • https://cdn.shopify.com/s/files/1/0434/3093/6733/files/darulifipisitukezipidub.pdf
    • https://cdn.shopify.com/s/files/1/0432/3164/1762/files/xipexa.pdf
    • https://cdn.shopify.com/s/files/1/0433/6674/4220/files/ruxolumudemidofod.pdf
    • https://cdn.shopify.com/s/files/1/0436/4196/2649/files/kobelugiget.pdf
    • https://cdn.shopify.com/s/files/1/0431/1272/6677/files/nesujodowizu.pdf
    • https://cdn.shopify.com/s/files/1/0432/6499/9590/files/zowewilololidabapeturunot.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_off00022e23.bin
d56d3b6cc9eadbc4751c24ebc1221b4b3ebf4aa74fa69c4a91d3e0d113eb8ced		 pdf-font-stream PDF embedded font (sfnt) at offset 0x22E23 5776 bytes
font_01_sfnt_off000241c8.bin
a6c6e56913c51de17b95f547034ee8448e58ac35e3df66ff78ac3fe98da4c306		 pdf-font-stream PDF embedded font (sfnt) at offset 0x241C8 10668 bytes

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