Malicious PDF — malware analysis report

Static analysis result for SHA-256 505ac5dee8c15dfb…

MALICIOUS

PDF

186.3 KB Created: 2015-08-08 11:44:06 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 8936bbe110d246c3a348096972881e1d SHA-1: ef9efceb1a30d8cb698bb037796b4e689d1f7c75 SHA-256: 505ac5dee8c15dfbe5c54fc1fce18586afecd50c5a603b4a48c2724e6e836b57
60 Risk Score

Malware Insights

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

The PDF file was flagged for containing a link to known malicious redirector infrastructure. This heuristic suggests the document is designed to lure users to a potentially harmful website. No scripts were extracted, and the document body was not parsable, limiting further analysis of the specific 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=%D0%BA%D0%B0%D0%BA+%D0%B7%D0%B2%D0%B5%D1%80%D0%B8+%D0%B2+%D1%84%D1%83%D1%82%D0%B1%D0%BE%D0%BB+%D0%B8%D0%B3%D1%80%D0%B0%D0%BB%D0%B8+%D0%BC%D1%83%D0%BB%D1%8C%D1%82%D1%84%D0%B8%D0%BB%D1%8C%D0%BC+%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://img0.liveinternet.ru/images/attach/c/6//4384/4384469_russkiy_yazuyk_2_klass_1chast_klimanova_i_babushkina.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384200_dispetcher_risunkov_microsoft_office_2015_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387644_skid_row_diskografiya_skachat_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024421.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24421 3556 bytes
font_01_sfnt_off000251a4.bin
3c9162dbfe2dd295b528b7092a749db2f22686c0eeaeb15934ba2357baec442e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x251A4 14796 bytes
font_02_sfnt_off00028016.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28016 14468 bytes
font_03_sfnt_off0002aac8.bin
3e303cc93120f6eaa9743eb2a28165c36faefdb2eabd1c87d6b3aa760c28abea		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AAC8 7092 bytes
font_04_sfnt_off0002bf68.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF68 6084 bytes
font_05_sfnt_off0002cefd.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEFD 3752 bytes

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