Malicious PDF — malware analysis report

Static analysis result for SHA-256 da77d7345dcc6bde…

MALICIOUS

PDF

6.6 KB Created: 2015-06-04 18:29:32 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: 648615bae08ff44b34a842e260c55d71 SHA-1: 0342a2724d001bf412ebb15cbbc2bbe7335a47d5 SHA-256: da77d7345dcc6bde5598a98809f837188dbaf450e2d6ef8711c2489e372ac513
62 Risk Score

Malware Insights

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

The PDF file contains multiple embedded URLs, all related to binary options trading. The ML classifier flagged this PDF as malicious, and the presence of these links suggests a social engineering attempt to direct users to potentially malicious websites. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5034

Heuristics 2

  • PDF carries a PHP-gateway SEO-spam PDF link farm medium PDF_SEO_PHP_GATEWAY_LINK_FARM
    PDF contains four or more clickable links whose target is a `.php` gateway with a multi-word search-PHRASE document slug embedded after it (e.g. 'index.php?.../binary+options+trading+nz.pdf' or 'pdf.php/cialis-dosage-side-effects.pdf'). Legitimate PHP-served documents use a filename or numeric id, not a search-query phrase, so this is the generated SEO link-farm shape — pharma / binary-options / 'free download' spam that ranks for queries and routes users into payload/redirect chains. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://www.recruitify.se/index.php?wiki/04/06/2015/heritagecc/binary+option+no+minimum+deposit.pdf&ogfda=1&news=2852 In PDF document text
    • http://www.osteriaballaro.it/index.php?wiki/04/06/2015/mitheme/binary+trading+practice.pdf&sjbgc=1&news=1414In PDF document text
    • http://orunmarine.com/index.php?wiki/04/06/2015/mundoindica/$10+binary+options.pdf&wxnjt=1&news=1092In PDF document text
    • http://wedesignitall.com/index.php?wiki/04/06/2015/boston/mobile+binary+options.pdf&efbqu=1&news=1417In PDF document text
    • http://www.giocattolilucchi.it/index.php?wiki/04/06/2015/boltpartner/binary+options+zero+risk+strategy+pdf.pdf&hgnwf=1&news=1333In PDF document text
    • http://idsintdecontamination.com/index.php?wiki/04/06/2015/geveze/binary+stock+video.pdf&jcjyi=1&news=946In PDF document text
    • http://www.supermaraton.eu/index.php?wiki/04/06/2015/housepop/binaryoptionstradingguide.com.pdf&owutp=1&news=sitemapIn PDF document text

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