Malicious PDF — malware analysis report

Static analysis result for SHA-256 59e112709017ea07…

MALICIOUS

PDF

11.9 KB Created: 2015-07-15 14:41:41 +04:00 Authoring application: DOMPDF First seen: 2015-08-03
MD5: 699172778172affb476db88343ba55c2 SHA-1: 0d25fdf765d3c2a579b462e452722772c8410090 SHA-256: 59e112709017ea0765be8adc464af3f3e376893a7b5cb9a5e4effbfb5922a88f
100 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.8959

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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://photo-file.ru/index.php?article=2051.1&wehsa=1&pdf=2051 In PDF document text
    • http://logimarket.com.tr/index.php?article=780.1&ewcgf=1&pdf=780In PDF document text
    • http://www.mantrabeautybar.ca/index.php?article=1285.1&rukbv=1&pdf=1285In PDF document text
    • http://photo-file.ru/index.php?article=1384.1&wehsa=1&pdf=1384In PDF document text
    • http://www.pieuvre-electrique-toulousaine.fr/index.php?article=1484.1&otafi=1&pdf=1484In PDF document text
    • http://photo-file.ru/index.php?article=1328.1&wehsa=1&pdf=1328In PDF document text
    • http://sandystraitssizzlers.com/index.php?article=2025.1&kwbat=1&pdf=2025In PDF document text
    • http://weterynarz-gdynia.pl/index.php?article=2273.2&axpfr=2&pdf=2273In PDF document text
    • http://cierzodemontana.com/index.php?article=1820.7&vfjgt=7&pdf=1820In PDF document text
    • http://photo-file.ru/index.php?article=2261.1&wehsa=1&pdf=2261In PDF document text
    • http://photo-file.ru/index.php?article=1425.1&wehsa=1&pdf=1425In PDF document text
    • http://photo-file.ru/index.php?article=1462.1&wehsa=1&pdf=1462In PDF document text
    • http://regionori.ru/index.php?article=526.1&lcnlt=1&pdf=526In PDF document text
    • http://photo-file.ru/index.php?article=1371.1&wehsa=1&pdf=1371In PDF document text
    • http://dhyansuman.com/index.php?article=1642.8&xvanh=8&pdf=1642In PDF document text
    • http://photo-file.ru/index.php?article=156.1&wehsa=1&pdf=156In PDF document text
    • http://karolek.com.pl/index.php?article=536.1&fwvio=1&pdf=536In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_000_off000002f1.js decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2F1 13289 bytes
SHA-256: 86a1d7553f6453fecfc253c368738814f42a7f860501b04dc5a9d7a54f44f292

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