Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7299b832fe7e3d0…

MALICIOUS

PDF

185.9 KB Created: 2015-07-25 11:50:50 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1a658f0cd724b1f1e605b49fe829aa1e SHA-1: b458255fe91ce10ac718a17af4fe73fae183730e SHA-256: d7299b832fe7e3d052ce26263808602fd1f4a9be6ce619b9f24fad8701e12627
90 Risk Score

Malware Insights

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

The PDF was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The embedded URL, http://botcraftman.ru/..., is highly suspicious and likely serves as a lure to a phishing or malware distribution site. No scripts were extracted, but the presence of the malicious link strongly indicates a malicious intent.

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=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%87%D0%B8%D1%82+%D0%B4%D0%BB%D1%8F+%D1%82%D0%B0%D0%BD%D0%BA%D0%B8+%D0%BE%D0%BD%D0%BB%D0%B0%D0%B9%D0%BD+%D0%BD%D0%B0+%D0%BA%D1%80%D0%B8%D1%81%D1%82%D0%B0%D0%BB%D0%BB%D1%8B&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186980_fonuy_dlya_prezentaciy_skachat_besplatno.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4192/4192816_rabochiy_aim_na_varfeys_posle_obnovleniya.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4197/4197985_skachat_film_smersh_udarnaya_volna_cherez_torrent.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000245a6.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245A6 3556 bytes
font_01_sfnt_off00025329.bin
468e70677f1b6a265092b38ca77b8f4d4e2f7824dd882a53d31900efbfb2331d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25329 14348 bytes
font_02_sfnt_off00028078.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28078 14468 bytes
font_03_sfnt_off0002ab2a.bin
6816a8c40f9fd95c266b773bef1af559f0f3692e722b41513939f63170237e3e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AB2A 6592 bytes
font_04_sfnt_off0002bdf3.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BDF3 6084 bytes
font_05_sfnt_off0002cd88.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CD88 3752 bytes

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