Malicious PDF — malware analysis report

Static analysis result for SHA-256 785d9d2e33d5ecf8…

MALICIOUS

PDF

374.0 KB Created: 2015-08-19 14:28:06 +03:00 Authoring application: wkhtmltopdf 0.12.2.4 (via Qt 4.8.6)
MD5: 6dcaa4d52dca2650317cb5be2491a96b SHA-1: 018a05e1771ddc7734c29379b180e2046e787f53 SHA-256: 785d9d2e33d5ecf84d462b86edb38aa129afa89669292d32c7aff8d26a81a25f
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is likely used to direct users to a malicious website for phishing or malware delivery. No scripts were extracted, but the presence of a malicious redirector strongly suggests a phishing or malware distribution attempt.

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%93%D0%BE%D0%BB%D0%B8%D1%86%D1%8B%D0%BD%D1%81%D0%BA%D0%B8%D0%B9+%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B0+6+%D0%B8%D0%B7%D0%B4%D0%B0%D0%BD%D0%B8%D0%B5+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626901_die_antwoord_skachat_vse_albomuy_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626470_karta_abhazii_dlya_navitel_nm7_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4626/4626863_skachat_igru_hotel_626_na_pk.pdf

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00058f37.bin
e785de94bda20f395e0fa245b3afbdb6d370755318bc3433f8e3390315ccb58d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x58F37 10172 bytes
font_01_sfnt_off0005aa78.bin
6ad7c97c105d2d9b804bc51640c21d11d0251f30954462e4621389f8194cb8f9		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5AA78 14744 bytes

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