Malicious PDF — malware analysis report

Static analysis result for SHA-256 14d9509ee4f6168b…

MALICIOUS

PDF

374.2 KB Created: 2015-08-28 18:15:11 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 937e8af53f871312bf8f9416af8bb449 SHA-1: 0d6a22d9d63ee53629354a5f6582a96fe86adc86 SHA-256: 14d9509ee4f6168b66d76aa30a16f0b3ae80c20cb92e4e76c459d5db7a4a84bd
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, indicating an attempt to lure the user to a harmful site. The ML classifier also strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the embedded URL is the primary indicator of malicious intent, likely serving as a first-stage lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9974

Heuristics 2

  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://botcraftman.ru/?lip&keyword=%D0%BF%D1%81%D0%B8%D1%85%D0%BE%D0%BB%D0%BE%D0%B3%D0%B8%D1%8F+%D0%BE%D0%B1%D1%89%D0%B5%D0%BD%D0%B8%D1%8F+%D1%87%D0%B8%D1%82%D0%B0%D1%82%D1%8C+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809666_avtobus__moskva__kamuyshin_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809867_programmuy__dlya__android_.pdf
    • http://img1.liveinternet.ru/images/attach/c/7//4809/4809346_doklad__o_.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000595ee.bin
e3701083eec46d02ade3d3fc0a627285acc1e1514e50453a78ee82dbb506a2ed		 pdf-font-stream PDF embedded font (sfnt) at offset 0x595EE 7904 bytes
font_01_sfnt_off0005ac9f.bin
b4d238967e965b6dfd7dd14b6d0fe245ce26a94ddba9f4f81c2a2da5f4bce158		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AC9F 13996 bytes

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