Malicious PDF — malware analysis report

Static analysis result for SHA-256 119606592b0fd021…

MALICIOUS

PDF

185.2 KB Created: 2015-08-08 13:06:56 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 4647ee44e052839f5571047d62cf6f43 SHA-1: 6c27d54e6df4f48157324d0d8b09967169228adb SHA-256: 119606592b0fd021f9c5449f54e0763aee2cd77c019d416b2676a6338eb1ac64
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an embedded URL that is flagged as a malicious redirector. This suggests the document is designed to lure users to a malicious site, likely for phishing or to download further malware. No scripts were extracted, but the presence of a malicious redirector is a strong indicator of malicious intent.

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%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+xsplit+%D0%BF%D0%BE%D0%BB%D0%BD%D1%83%D1%8E+%D0%B2%D0%B5%D1%80%D1%81%D0%B8%D1%8E+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4385/4385308_poisk_muzuyki_po_slovam_teksta.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387722_skachat_world_2007_besplatno_na_russkom.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4390/4390672_skachat_shema_yelektroprovodki_traktora_mtz_82.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_off0002a5a2.bin
1cafbd288ea7a3e89997581677f2a3d80d0c0dc7e458b3336082a92346b7e255		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A5A2 7248 bytes
font_00_sfnt_off00023fbf.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23FBF 3556 bytes
font_01_sfnt_off00024d42.bin
bee2952a3a5446628932627a1a1977784690e07bd4467c363ab842b3702bb4ea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24D42 14344 bytes
font_02_sfnt_off00027a53.bin
3faba387332281212eb35ccd9783d7410132c3c4320ed8979c83978e99226da8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27A53 14644 bytes
font_04_sfnt_off0002bae0.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BAE0 6084 bytes
font_05_sfnt_off0002ca75.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA75 3752 bytes

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