Malicious PDF — malware analysis report

Static analysis result for SHA-256 a380b572039a868a…

MALICIOUS

PDF

186.2 KB Created: 2015-08-08 09:37:26 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 10e7205fd09a6977e14e1e02807d8d72 SHA-1: b8d92c2ce03a93395ebc4c4ab244d2a52a949ec4 SHA-256: a380b572039a868a5dc5419165dfd6c2250dbb29b4587d363b2379e42e2f137b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector at http://botcraftman.ru/. This suggests the document is designed to lure users to a malicious website, likely for phishing or malware distribution. No scripts were extracted, and the document body was not parsable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%9D%D0%B8%D0%B6%D0%BD%D0%B5%D0%BA%D0%B0%D0%BC%D1%81%D0%BA+%D0%B0%D0%B2%D1%82%D0%BE%D0%B2%D0%BE%D0%BA%D0%B7%D0%B0%D0%BB+%D1%80%D0%B0%D1%81%D0%BF%D0%B8%D1%81%D0%B0%D0%BD%D0%B8%D0%B5+%D0%B0%D0%B2%D1%82%D0%BE%D0%B1%D1%83%D1%81%D0%BE%D0%B2&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383802_ulicuy_razbituyh_fonarey_1_sezon_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383951_mass_effect_pinnacle_station_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4383/4383800_skachat_torrent_zona_na_russkom.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024512.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24512 3556 bytes
font_01_sfnt_off00025295.bin
da78ad82508985c89386bb7f486a41e5de801655179b25764b617deb314332f1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25295 14840 bytes
font_02_sfnt_off00028097.bin
daef2cda77164197ef64c3777bce9660659a194913aa4d6fbd183701767ae5ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28097 14468 bytes
font_03_sfnt_off0002ab43.bin
c46581605bc711aca673c21ee6a3af36098c88ae94dd458b6c0c20fb5be532c5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB43 6896 bytes
font_04_sfnt_off0002bf24.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF24 6084 bytes
font_05_sfnt_off0002ceb9.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEB9 3752 bytes

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