Malicious PDF — malware analysis report

Static analysis result for SHA-256 c38acd22181ed0ac…

MALICIOUS

PDF

187.7 KB Created: 2015-07-25 00:32:09 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: d85027f922f462d9023b72198257c59d SHA-1: 7de180fa3054b542bdb97651982af3bdb8667dbe SHA-256: c38acd22181ed0aca46c2a51071913e0da232e9aced16700dd4a6a7acdadbd5b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains an embedded link that points to a known malicious redirector. This indicates a phishing attempt, likely to trick the user into downloading malware or visiting a compromised site. No scripts were extracted, and the document body was truncated, limiting further analysis of the exact lure.

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=sony+vegas+pro+13+%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D1%82%D0%BE%D1%80%D1%80%D0%B5%D0%BD%D1%82+%D0%BD%D0%B0+%D1%80%D1%83%D1%81%D1%81%D0%BA%D0%BE%D0%BC+32+%D0%B1%D0%B8%D1%82&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4190/4190784_ozbekcha_seqs_selka_olish_kilib.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4195/4195929_the_last_of_us_skachat_torrent_na_pc_russkaya_versiya.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184517_skachat_igru_maynkraft_s_modami_100_modov.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002adb5.bin
49d62f17f36c07504b33c149a9dc9dac9d7a61abbaef247fb308d3e9ebc51af3		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2ADB5 7876 bytes
font_00_sfnt_off00024648.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24648 3556 bytes
font_01_sfnt_off000253cb.bin
73255025653f658e86dd2c50af1ff46b95191f6f08b975c5b906f260002393d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x253CB 15056 bytes
font_02_sfnt_off0002822b.bin
102514a5664d7acf8a79bc03ee452eed46c3ed999b553ec20b680e6522584ca1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2822B 14732 bytes
font_04_sfnt_off0002c4f5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C4F5 6084 bytes
font_05_sfnt_off0002d48a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D48A 3752 bytes

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