Malicious PDF — malware analysis report

Static analysis result for SHA-256 8babdbc505cf95d2…

MALICIOUS

PDF

6.6 KB Created: 2015-06-04 18:31:55 +04:00 Authoring application: DOMPDF First seen: 2015-06-23
MD5: 63f4fddb65244f775c1bc42cbaaad16d SHA-1: a2ee6a224bf115d0c3438fc332a71b724765085a SHA-256: 8babdbc505cf95d2e05fd60b4b8997f19af2069f48ffc23193c5e92a914d6c10
62 Risk Score

Malware Insights

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

The PDF document contains numerous embedded URLs related to binary options trading, suggesting a lure for financial scams or phishing. The ML classifier also flagged this PDF as malicious. The document body, though partially corrupted, reinforces the theme of financial trading. 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://darerteqa.com/index.php?wiki/04/06/2015/plineks/binary+brokers+sites.pdf&ougyk=1&news=2647 In PDF document text
    • http://www.zsbawi.ch/index.php?wiki/04/06/2015/enormoz/binary+options+magnet.pdf&wzxxc=5&news=16In PDF document text
    • http://siegen-limos.de/index.php?wiki/04/06/2015/brandmerch/binary+broker+india.pdf&cwwpt=1&news=1443In PDF document text
    • http://www.tubeconect.de/index.php?wiki/04/06/2015/wellness/binary+options+millionaires.pdf&fruxa=1&news=1704In PDF document text
    • http://caskaeliteaudio.com.br/index.php?wiki/04/06/2015/pandrade/binary+options+formula.pdf&qdvaj=1&news=1608In PDF document text
    • http://www.siot.cz/index.php?wiki/04/06/2015/kampus/cfd+binary+options.pdf&pjlui=1&news=332In 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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