Malicious PDF — malware analysis report

Static analysis result for SHA-256 491a28be44a84ac4…

MALICIOUS

PDF

186.4 KB Created: 2015-08-05 13:52:59 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 76169f4cafb9604de728613ba07f4bef SHA-1: 531b33ee0870163061ad7a33ab541fb6ffa61458 SHA-256: 491a28be44a84ac4484f025c5abd293329d24aeb5aa9e11c6abddf18716bc426
60 Risk Score

Malware Insights

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

The PDF file contains a link to a known malicious redirector, botcraftman.ru. This heuristic indicates the document is designed to lure users to a potentially harmful site. No scripts were extracted, and the document body was not fully parsable, limiting further analysis of the specific lure. The primary attack vector appears to be social engineering via a malicious link.

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+%D0%B8%D0%B3%D1%80%D1%83+%D1%87%D0%B5%D1%80%D0%B5%D0%B7+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%B3%D1%82%D0%B0+4+%D0%BB%D0%B8%D0%B1%D0%B5%D1%80%D1%82%D0%B8+%D1%81%D0%B8%D1%82%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304728_igruy_na_planshet_skachat_dlya_devochek.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304463_neizvestnuyy_s_drakkara_neuchtennuyy_3_konstantin_muravev.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304788_kak_uznat_svoy_pochtovuyy_kod.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024768.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24768 3556 bytes
font_01_sfnt_off000254eb.bin
9653027969d25934173a07f92c5c02e3e7ba9ce71a2d388486356ca5522a064b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x254EB 14160 bytes
font_02_sfnt_off0002816c.bin
67d53b5d93f9c1a2a208a20cc40158f0d1b9c29be983670d6b7c684d37a817b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2816C 14468 bytes
font_03_sfnt_off0002ac1c.bin
684e4696b91aa163036219b3e78a3f8f789bec02859900e983912e8fa55e0d95		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AC1C 6756 bytes
font_04_sfnt_off0002bf9b.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF9B 6084 bytes
font_05_sfnt_off0002cf30.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF30 3752 bytes

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