Malicious PDF — malware analysis report

Static analysis result for SHA-256 3e0aef1a505a662a…

MALICIOUS

PDF

24.9 KB Created: 2020-04-17 02:16:05 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 29c6e3a9c0a7dd89bc7abc9c34832471 SHA-1: c5b0b1591e2a75c57e59cbed83cd8e7e14daeac4 SHA-256: 3e0aef1a505a662a05c9e9253f2b03f68f32c5f868687c1fae5587dc2f14c6e5
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The heuristic 'PDF_SEO_LINK_FARM' specifically identifies this pattern. The document body, though partially corrupted, contains a reference to a '9 piece puzzle template powerpoint', suggesting a lure to disguise the malicious intent. The primary goal appears to be directing users to a network of linked websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9954

Heuristics 3

  • 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.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://hoperetsoredproject.net/uploads/1/3/0/8/130874526/130874526.html#9+piece+puzzle+template+powerpoint
    • http://hawthornere.com/uploads/1/3/0/5/130588698/jofuxemi_bugexaboteb_doborazoka_xodaxa.pdf
    • http://gbcsolutionsgroup.com/uploads/1/3/0/5/130551140/wigezezob.pdf
    • http://treeserviceallen.net/uploads/1/3/0/6/130621047/2927b4c0a28.pdf
    • http://marythumma.com/uploads/1/3/0/6/130639889/c9088881ca36dd.pdf
    • http://autonotraffic.com/uploads/1/3/1/4/131452825/5841666.pdf
    • http://darkbathtub.com/uploads/1/3/0/8/130873732/9628766.pdf
    • http://mychandise.nl/uploads/1/3/0/5/130550652/wijanolomekot-kidisezizebawim-dikodalakixowev-xexakowudine.pdf
    • http://carpetupholsterycleaning.org/uploads/1/3/0/6/130640155/fuwuzigaviwosu.pdf
    • http://naomi-gabriel.com/uploads/1/3/1/3/131379555/414b2313.pdf
    • http://logicalaxis.net/uploads/1/3/1/6/131607075/dagexozeke.pdf

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