Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ff080fef20c5392…

MALICIOUS

PDF

187.0 KB Created: 2015-07-24 12:09:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4560edc95d65fc3eba4d39c8e8cebf51 SHA-1: dd758aeb4869c1b3288ad6324f4ef0a8d0771e80 SHA-256: 0ff080fef20c5392e60b27aecf30fc7eab8f436f264a79f688a093664bc3bb47
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 infrastructure. The embedded URL, http://botcraftman.ru/..., is a redirector, suggesting the document's primary purpose is to direct users to a potentially harmful website. No scripts were extracted, but the presence of a malicious link indicates a likely phishing or social engineering attempt.

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=the+sims+3+%D0%BA%D0%BE%D0%BB%D0%BB%D0%B5%D0%BA%D1%86%D0%B8%D1%8F+16+%D0%B2+1+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189628_kak_vuyglyadet_dorogo_andrea_pomeranc_lustig_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184934_skachat_arhikad_besplatno_russkaya_versiya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190784_ozbekcha_seqs_selka_olish_kilib.pdf
    • http://www.microsoft.com/typography/fonts/You
    • http://www.microsoft.com/typography/fonts/

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002ac9f.bin
75178f90b32a78a405530e3a0fd3c83918a103981672ef9fdc5c8827687e194d		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2AC9F 7340 bytes
font_00_sfnt_off00024684.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24684 3556 bytes
font_01_sfnt_off00025407.bin
99d2eef60af7661b393f507ffbd01fbd79009bd1f57d89a9d6159bb51e1ede86		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25407 14540 bytes
font_02_sfnt_off00028153.bin
cfaeef9d1fa5f61189e95e69f75894dc58f0661f3add77760075075ad101523b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28153 14732 bytes
font_04_sfnt_off0002c20d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C20D 6084 bytes
font_05_sfnt_off0002d1a2.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D1A2 3752 bytes

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