PDF malware analysis — malicious · 79dafb7385b227a6

MALICIOUS

PDF

186.1 KB Created: 2015-08-08 10:46:01 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)

MD5: 340219ac66970c37cfb68bc3a5dd1439 SHA-1: 88b8ee88875ad0fbc6d8dd6772163f1e08d807a5 SHA-256: 79dafb7385b227a656b6f83ad83e65de28fee086b97eee84fe7eac50e0c35ea7

122 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector infrastructure, which is also advertised as a source for cracked software. This indicates a lure to a malicious site, likely for further exploitation or malware delivery. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9982

Heuristics 3

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.
PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE

PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
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=http%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D1%82%D0%B2+%D0%BF%D0%B5%D1%80%D0%B2%D0%BE%D0%B5+torrent-%D1%82%D0%B5%D0%BB%D0%B5%D0%B2%D0%B8%D0%B4%D0%B5%D0%BD%D0%B8%D0%B5+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD&charset=utf-8
- http://��
- http://botcraftman.ru/?lip&keyword=http%d1%82%d0%be%d1%80%d1%80%d0%b5%d0%bd%d1%82+%d1%82%d0%b2+%d0%bf%d0%b5%d1%80%d0%b2%d0%be%d0%b5+torrent-%d1%82%d0%b5%d0%bb%d0%b5%d0%b2%d0%b8%d0%b4%d0%b5%d0%bd%d0%b8%d0%b5+%d0%be%d0%bd%d0%bb%d0%b0%d0%b9%d0%bd&charset=utf-8
- http://fastpic.ru/
- http://www.liveinternet.ru/click
- http://img1.liveinternet.ru/images/attach/c/6//4385/4385877_skachat_patch_dlya_stalker_ten_chernobuylya_10007.pdf
- http://img0.liveinternet.ru/images/attach/c/6//4384/4384119_korporativnuyy_sayt_pod_klyuch_torrent.pdf
- http://img0.liveinternet.ru/images/attach/c/6//4386/4386378_rahmaninov_skachat_torrent.pdf
- http://www.microsoft.com/typography/fonts/
- http://www.microsoft.com/typography/fonts/You

Extracted artifacts 6

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0002447f.bin` `880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2447F	3556 bytes
`font_01_sfnt_off00025202.bin` `4c1616203d1ce4e495ad583ade4dee9bf70e26738615659fe21ae4fdea7d6b55`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x25202	14520 bytes
`font_02_sfnt_off00027fc1.bin` `77ff7c79971ae5b056fd7c4e9737b80735c99617d59a877ced7786d6e4254ebc`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x27FC1	14672 bytes
`font_03_sfnt_off0002ab11.bin` `ff2f46ee907b493ab021e9976ee4bb73f1eedf3c542a2b6b44656ed883450afb`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2AB11	6784 bytes
`font_04_sfnt_off0002be7b.bin` `819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2BE7B	6084 bytes
`font_05_sfnt_off0002ce10.bin` `9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2CE10	3752 bytes

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