Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f0ce3dbf970698f…

MALICIOUS

PDF

48.8 KB Created: 2020-07-31 09:39:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ab32baf4e80f91713056899575956468 SHA-1: 374ee7deaf57492ffacb429b4aec0d5a12205d54 SHA-256: 8f0ce3dbf970698fa28684ca10bb0c5769187cb763f344809dda7462b5ebd4d0
150 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it links to malicious redirector infrastructure and is part of a link farm. The embedded URL, 'https://ttraff.cc/pify?keyword=cadillac+sts+2020+owners+manual+pdf', is flagged as malicious. The document body, though heavily obfuscated, appears to be a lure for a vehicle owner's manual, suggesting a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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=cadillac+sts+2020+owners+manual+pdf
    • http://files.bright-thoughts.co.uk/uploads/1/3/1/4/131438786/3682554.pdf
    • http://files.essenceofgracearomatherapycenter.com/uploads/1/3/1/3/131382387/tibuvosuvutu.pdf
    • http://files.desertcrewphotography.com/uploads/1/3/1/6/131607232/b4d7d20c.pdf
    • http://files.mrsvmurphysclass.com/uploads/1/3/1/4/131408581/5559585.pdf
    • http://files.vonderhauswulfgermanshepherd.com/uploads/1/3/2/7/132740900/315e09.pdf
    • http://files.vonderhauswulfgermanshepherd.com/uploads
    • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/42479515564.pdf
    • https://cdn.shopify.com/s/files/1/0428/7417/5644/files/zarorafelin.pdf
    • https://cdn.shopify.com/s/files/1/0435/3739/9960/files/sejobatowujena.pdf
    • https://cdn.shopify.com/s/files/1/0433/3384/5150/files/32208228743.pdf
    • https://cdn.shopify.com/s/files/1/0428/4874/7676/files/14756941349.pdf
    • https://cdn.shopify.com/s/files/1/0429/7257/7946/files/21745081804.pdf
    • https://cdn.shopify.com/s/files/1/0431/9150/0961/files/94773311776.pdf
    • https://cdn.shopify.com/s/files/1/0429/9217/3217/files/jaxarofikuzoziwalebazedid.pdf
    • https://cdn.shopify.com/s/files/1/0430/1357/0709/files/garogiw.pdf
    • https://cdn.shopify.com/s/files/1/0430/5158/1597/files/zonagulonunolamo.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_off00008000.bin
e4b3fe2c3b623039d53faf528c965897845d4da3d3676f749c0c43f250a46ffd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x8000 5572 bytes
font_01_sfnt_off000092ea.bin
5a1eb5fdd59c91d86abc5c553b806e9db009119e3599abc2ce8b8d4d8e80a547		 pdf-font-stream PDF embedded font (sfnt) at offset 0x92EA 10344 bytes

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