Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ad66257712c5f87…

MALICIOUS

PDF

186.7 KB Created: 2015-07-24 20:23:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 60426865f08608c302576e54c7631af0 SHA-1: 0b1d0761956c22baae69fce22acefffd61693f4f SHA-256: 4ad66257712c5f8788796915f2b88f896289dbd2a9499e0a8cda184cb7fe279d
60 Risk Score

Malware Insights

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

The PDF file was identified as malicious due to a critical heuristic firing for a link to a known malicious redirector. The embedded URL, http://botcraftman.ru/, is likely used to direct users to a malicious website. No scripts were extracted from this sample, and the document body was truncated, limiting further analysis of the specific lure.

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%B5%D0%BC%D0%B5%D0%BD+%D1%81%D0%BB%D0%B5%D0%BF%D0%B0%D0%BA%D0%BE%D0%B2+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B2%D1%81%D0%B5+%D0%BF%D0%B5%D1%81%D0%BD%D0%B8+mp3+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%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://img0.liveinternet.ru/images/attach/c/5//4190/4190852_1s_predpriyatie_82_uchebnaya_versiya_skachat_besplatno_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190043_priskazka_v_skazkah_pushkina_primeruy.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187451_variantuy_vstupitelnuyh_yekzamenov_po_matematike_mgupi.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024533.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24533 3556 bytes
font_01_sfnt_off000252b6.bin
035ae99f8e2f60ca53beb8481c2526fd22c339a2b0ff402aa3efa74b411f0c43		 pdf-font-stream PDF embedded font (sfnt) at offset 0x252B6 14736 bytes
font_02_sfnt_off000280e5.bin
43f4438224e41472d4a4a6ffbcd2911269e20d1ddf3c46d0f6ae02bba1af2d20		 pdf-font-stream PDF embedded font (sfnt) at offset 0x280E5 14632 bytes
font_03_sfnt_off0002ac05.bin
854481909018c42b7b432999d273460f3f99d7e571e31d87ff68ffa126b3a318		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC05 7192 bytes
font_04_sfnt_off0002c0eb.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C0EB 6084 bytes
font_05_sfnt_off0002d080.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D080 3752 bytes

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