Malicious PDF — malware analysis report

Static analysis result for SHA-256 7c75f262ea35ee0e…

MALICIOUS

PDF

6.7 KB Created: 2015-06-04 18:30:04 +04:00 Authoring application: DOMPDF First seen: 2015-06-09
MD5: a87d9ceb73d68da2b4ad44dec208b42a SHA-1: 45c546bd1ee530de1b90efdf0a3ad68a4397f3b3 SHA-256: 7c75f262ea35ee0e4b2fa2f87df1ba4de7ca53c47697da949c33db3d25b6b643
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains numerous embedded URLs promoting binary options and stock trading, indicative of a financial scam or phishing lure. The presence of a JavaScript stream suggests potential for further malicious activity, such as downloading additional payloads or redirecting users to malicious sites. The heuristic 'PDF_SEO_PHP_GATEWAY_LINK_FARM' confirms the document's purpose is to generate traffic for SEO spam.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5040

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://brevardfamilywalkinclinic.com/index.php?wiki/04/06/2015/modern/binary+option+help.pdf&rduis=4&news=1873 In PDF document text
    • http://serv2net.de/index.php?wiki/04/06/2015/festival/binary+trade+association.pdf&hdeyk=1&news=531In PDF document text
    • http://www.bluematters.be/index.php?wiki/04/06/2015/celebnetworth/binary+options+u+s+based.pdf&jjvup=1&news=1402In PDF document text
    • http://www.picknickrucksack.net/index.php?wiki/04/06/2015/bazuinkb/binary+options+website.pdf&dvduf=1&news=959In PDF document text
    • http://www.elvensenatacao.com/index.php?wiki/04/06/2015/enormoz/binary+option+system+96.pdf&uxipl=1&news=876In PDF document text
    • http://www.narcisoevenere.com/index.php?wiki/04/06/2015/supportpress/synthetic+binary+option.pdf&lszpa=1&news=1350In PDF document text
    • http://www.supermaraton.eu/index.php?wiki/04/06/2015/housepop/binaryoptionstradingguide.com.pdf&owutp=1&news=sitemapIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_000_off00000299.js decompressed-pdf-stream PDF FlateDecoded stream at offset 0x299 6932 bytes
SHA-256: 5d6079dcf21fb7c99294356692286b33b97e54a368851f9503059b375312fccc

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