Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6ed62aed3d906fb…

MALICIOUS

PDF

186.3 KB Created: 2015-08-05 13:58:39 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 00bb789011f87bc93a8595ea337b8368 SHA-1: 905f82e0589967762fdfa56bf6c279dac7b3933e SHA-256: d6ed62aed3d906fbd7b0ca47c13997223160adc2f93e5fa5994387cb2e9a3e44
90 Risk Score

Malware Insights

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

The PDF file was flagged by multiple heuristics as malicious, including a critical alert for a link to known malicious redirector infrastructure. The embedded URL `http://botcraftman.ru/...` is the primary indicator of malicious intent. While no scripts were extracted, the presence of this malicious link suggests the document is designed to lure the user to a harmful external resource, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9982

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%B0%D1%83%D0%B4%D0%B8%D1%80%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D0%B5+%D0%BF%D0%BE+%D1%84%D1%80%D0%B0%D0%BD%D1%86%D1%83%D0%B7%D1%81%D0%BA%D0%BE%D0%BC%D1%83+%D1%8F%D0%B7%D1%8B%D0%BA%D1%83+%D0%B4%D0%BB%D1%8F+%D0%BD%D0%B0%D1%87%D0%B8%D0%BD%D0%B0%D1%8E%D1%89%D0%B8%D1%85&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304041_skachat_igru_my_talking_tom_na_android_novaya_versiya.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304508_round_up_4_new_otvetuy.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4304/4304780_shablon_kukluy_dlya_vuyrezaniya.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024496.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24496 3556 bytes
font_01_sfnt_off00025219.bin
5edc74bbf2934f1d9e29050610b24597ae67f816e88297199e576e33c23a00e8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25219 14292 bytes
font_02_sfnt_off00027ef5.bin
117cf6e2b4f2c1b9218985702c968e52b9d9b6585d9dc1034be9dfa724b9851d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27EF5 14532 bytes
font_03_sfnt_off0002a9e1.bin
b914d4fd7e430b12818fb522543c4b9989c45ba350421270c62ad22462873bc6		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A9E1 7376 bytes
font_04_sfnt_off0002bf72.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF72 6084 bytes
font_05_sfnt_off0002cf07.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CF07 3752 bytes

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