Malicious PDF — malware analysis report

Static analysis result for SHA-256 70a7793f21d1feda…

MALICIOUS

PDF

187.8 KB Created: 2015-07-24 12:01:03 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: da3d8117af2ac5c5d8566ddb2193657a SHA-1: 6f9be49d3882b938f03bf31f7b46b031cf8a99c7 SHA-256: 70a7793f21d1feda80777a5774a04fd230ed95a1f61be897fe31b5d70a61ca0e
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by multiple heuristics as malicious, including a critical alert for linking to known malicious redirector infrastructure. The embedded URL points to 'botcraftman.ru', which is identified as a malicious redirector. This suggests the document's primary purpose is to lure users to a harmful website, likely for phishing or malware delivery.

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=%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%B8%D0%B9+%D1%8F%D0%B7%D1%8B%D0%BA+%D0%B4%D0%BB%D1%8F+%D0%B8%D0%BD%D0%BE%D1%81%D1%82%D1%80%D0%B0%D0%BD%D1%86%D0%B5%D0%B2+%D1%83%D1%87%D0%B5%D0%B1%D0%BD%D0%B8%D0%BA+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184298_interaura_neyronastroi_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184454_skachat_programmu_msvcr100dll.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185343_dzhordzh_martin_vetruy_zimuy_chitat_besplatno_onlayn.pdf
    • http://www.microsoft.com/typography/fonts/
    • http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024953.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24953 3556 bytes
font_01_sfnt_off000256d6.bin
87452bc666999a24e59d635975fea8a4652de6af25391d4d8c29b4fa77342faa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x256D6 14924 bytes
font_02_sfnt_off00028588.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28588 14468 bytes
font_03_sfnt_off0002b03a.bin
3190582f1efdae82d2c7f0491f0fade3503bc8848698627d47ff25a8114f02ab		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B03A 7276 bytes
font_04_sfnt_off0002c568.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C568 6084 bytes
font_05_sfnt_off0002d4fd.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D4FD 3752 bytes

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