Malicious PDF — malware analysis report

Static analysis result for SHA-256 74202f412a3fa8fe…

MALICIOUS

PDF

185.1 KB Created: 2015-08-08 15:57:21 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 27f8516c0b1679ad3980746b721cf9cb SHA-1: 2457e145612e120ab04b2bd67bafc65b94b4e87d SHA-256: 74202f412a3fa8fead0aac3a7ade52cb120724111077a824e40602634fbbdeb8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file was flagged by a machine learning classifier and contains a link to known malicious redirector infrastructure. This suggests the file is intended to direct users to malicious content, likely for phishing or malware distribution. No scripts were extracted, but the presence of a malicious URL is a strong indicator of 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=%D0%BA%D0%BD%D0%B8%D0%B3%D0%B8+%D0%B2+%D1%84%D0%BE%D1%80%D0%BC%D0%B0%D1%82%D0%B5+%D0%B0%D1%80%D0%BA+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B1%D0%B5%D1%81%D0%BF%D0%BB%D0%B0%D1%82%D0%BD%D0%BE&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/6//4397/4397342_lego_marvel_supergeroi_skachat_igru_na_kompyuter.pdf
    • http://img0.liveinternet.ru/images/attach/c/6//4388/4388981_bestuzhevmarlinskiy_morehod_nikitin_kratkoe_soderzhanie.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4259/4259725_servera_na_maynkraft_175_s_mini_igrami.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.

FilenameKindSourceSize
font_00_sfnt_off000241bb.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x241BB 3556 bytes
font_01_sfnt_off00024f3e.bin
6ca360ab75b6e8feb6010eab3581b6ea442c09732c903ed809cc37e3529a70ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24F3E 14016 bytes
font_02_sfnt_off00027b85.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27B85 14468 bytes
font_03_sfnt_off0002a637.bin
15ac58e9e5f0be4394be49dc60e9511cf20a0fc334cdf8d12f18bb37fa7f2939		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A637 6992 bytes
font_04_sfnt_off0002ba6d.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BA6D 6084 bytes
font_05_sfnt_off0002ca02.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CA02 3752 bytes

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