Malicious PDF — malware analysis report

Static analysis result for SHA-256 25ee0a4828d377a3…

MALICIOUS

PDF

186.1 KB Created: 2015-07-24 23:40:45 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 75561c764c681602ec56d758d19001e4 SHA-1: c80c1d932d44426f4582880ce6ffb057da2853c8 SHA-256: 25ee0a4828d377a302a749ba3f36e1850dd9794aa68205d10f7e3c2fc0915997
60 Risk Score

Malware Insights

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

The PDF file contains a critical heuristic firing indicating a link to a known malicious redirector. This suggests the document is designed to lure users to a malicious website. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure. The primary IOC is the malicious redirector URL.

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%83%D1%81%D1%82%D0%B0%D0%BD%D0%BE%D0%B2%D0%BE%D1%87%D0%BD%D0%B0%D1%8F+%D0%BF%D1%80%D0%BE%D0%B3%D1%80%D0%B0%D0%BC%D0%BC%D0%B0+%D0%B4%D0%BB%D1%8F+%D0%BF%D1%80%D0%B8%D0%BD%D1%82%D0%B5%D1%80%D0%B0+canon+lbp+2900&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188826_knigi_egye_po_matematike_2015_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192654_skachat_kontaktmaster_extra_polnaya_versiya_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186593_mechi_i_sandali_2_polnaya_versiya_chituy.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000242df.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x242DF 3556 bytes
font_01_sfnt_off00025062.bin
27f72cde53b43b647fa73b491640fdb1845c71d6b71ed6345e6cd2221971dff2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25062 14464 bytes
font_02_sfnt_off00027d66.bin
81423b937e800c9a5be3f8cc7381044a21c4547831fe63b0ceac6afc95ece2cf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27D66 14596 bytes
font_03_sfnt_off0002a87d.bin
932be3796217805b8f7a2cd14d0dfeab14fa53908699ee44d9a0af55e77535a0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A87D 7480 bytes
font_04_sfnt_off0002be7c.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BE7C 6084 bytes
font_05_sfnt_off0002ce11.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CE11 3752 bytes

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