Malicious PDF — malware analysis report

Static analysis result for SHA-256 facb8042d9457002…

MALICIOUS

PDF

184.8 KB Created: 2015-07-24 09:08:48 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d606e5abc6f0d297fa6a36b6ce4b72df SHA-1: 1f0aeee147a303517d30847b6a599d55df5abee5 SHA-256: facb8042d9457002fb92bf3f38ef5885015acd9b19695c29db1d4a81eb728d1e
90 Risk Score

Malware Insights

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

The PDF contains an embedded link to a known malicious redirector, botcraftman.ru. This indicates the document is designed to lure users to a malicious site, likely for phishing or malware distribution. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

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%A7%D0%B5%D1%80%D1%82%D0%B5%D0%B6%D0%B8+%D0%BF%D0%B5%D1%87%D0%B8+%D1%81%D0%B2%D0%BE%D0%B8%D0%BC%D0%B8+%D1%80%D1%83%D0%BA%D0%B0%D0%BC%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184860_ne_udalos_proverit_podlinnost_diska_sims_3.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184539_korol_i_shut_todd_akt_1_skachat_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4187/4187494_igra_monstr_hay_roller_meys_igrat_onlayn.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000240ab.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x240AB 3556 bytes
font_01_sfnt_off00024e2e.bin
a3235c4b71a7b96debb5b4a6098976fd77aeb1867e698b68931b959f84860123		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24E2E 14532 bytes
font_02_sfnt_off00027b92.bin
f8b0f4a1d99a9b9dbba53909ce01b7f56a365581f12602852c7b51397ce232c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B92 14580 bytes
font_03_sfnt_off0002a69f.bin
e791c10f8bcdee114329aa52910514ad78ba3f1a477d2d2efee78b78598fb489		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A69F 6560 bytes
font_04_sfnt_off0002b95a.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B95A 6084 bytes
font_05_sfnt_off0002c8ef.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C8EF 3752 bytes

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