Malicious PDF — malware analysis report

Static analysis result for SHA-256 752a02c0949df81f…

MALICIOUS

PDF

184.9 KB Created: 2015-07-24 00:14:38 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 2956edb4b2a72f3dd2f672725bfdb9e4 SHA-1: 95f57ad966bb55902a0c4b451ef3d59fcba39a4c SHA-256: 752a02c0949df81f6aa4588a1054f5eadb78a03846528bc1bb1322b2085ba5dd
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 infrastructure. This suggests the document is designed to redirect users to a harmful website, likely for phishing or malware delivery. 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%BE%D1%82%D1%87%D0%B5%D1%82+%D0%BC%D0%B0%D1%80%D0%BA%D0%B5%D1%82%D0%B8%D0%BD%D0%B3%D0%BE%D0%B2%D0%BE%D0%B3%D0%BE+%D0%B8%D1%81%D1%81%D0%BB%D0%B5%D0%B4%D0%BE%D0%B2%D0%B0%D0%BD%D0%B8%D1%8F&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184953_the_sims_3_gold_edition_skachat_torrent.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4186/4186184_kontrolnaya_rabota_po_literature_9_klass_literatura_20_veka.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184554_sims_3_polnaya_antologiya_19_v_1_skachat_torrent_besplatno.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_off00024291.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24291 3556 bytes
font_01_sfnt_off00025014.bin
b50f8318ffc45177f39af969a7bda0bccedce415d4183f26baf80a496fea6a2f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x25014 14116 bytes
font_02_sfnt_off00027bed.bin
c33e6903d76079777c1b082a355654bfa5653b97afd40bc3e5344b34556d24bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27BED 14468 bytes
font_03_sfnt_off0002a69f.bin
6e1ed211ffbb5f8ffdd29cecc9f2cd038ef37a011f3f746bb6cb05918b699ed1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A69F 6688 bytes
font_04_sfnt_off0002b9d9.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B9D9 6084 bytes
font_05_sfnt_off0002c96e.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C96E 3752 bytes

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