Malicious PDF — malware analysis report

Static analysis result for SHA-256 3f83175d1eb7c101…

MALICIOUS

PDF

185.2 KB Created: 2015-07-24 20:51:28 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: fe442e746168e8c8f99e955e36ace7c6 SHA-1: 0f39cc9de11c621ab78b1122e049f6359217d84c SHA-256: 3f83175d1eb7c101c46a05510ff8e05eaf03cc5bb01c777e6517e862a9f3102d
60 Risk Score

Malware Insights

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

The PDF file contains an embedded link that points to a known malicious redirector. This heuristic indicates the document is designed to lure the user to a harmful site. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure. The primary IOC is the malicious 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=%D0%BF%D1%80%D0%BE%D0%B5%D0%BA%D1%82+%D0%BD%D0%B0%D1%80%D1%83%D0%B6%D0%BD%D0%BE%D0%B3%D0%BE+%D0%BE%D1%81%D0%B2%D0%B5%D1%89%D0%B5%D0%BD%D0%B8%D1%8F+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4193/4193038_programma_dll_suite_s_klyuchom_aktivacii.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192147_fiksiki_skachat_vse_serii_1_156_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189586_topograficheskie_kartuy_belarusi_skachat.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000241cd.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x241CD 3556 bytes
font_01_sfnt_off00024f50.bin
bd9dfa9b0911ab30e7d5799ca58342d98b0b6f1606b7cd39ad15d632388f2e30		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F50 14500 bytes
font_02_sfnt_off00027ce2.bin
fbe4af72ea4b6832e02f3a94d39805fe74296d1f62d5d4f3c350b4dd983b7d89		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CE2 14468 bytes
font_03_sfnt_off0002a790.bin
176849348b12846aaaca8143f530f304e138c8c71af815b1048e01556889b463		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A790 6768 bytes
font_04_sfnt_off0002baea.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BAEA 6084 bytes
font_05_sfnt_off0002ca7f.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA7F 3752 bytes

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