Malicious PDF — malware analysis report

Static analysis result for SHA-256 b34a1a37277ed8fc…

MALICIOUS

PDF

185.6 KB Created: 2015-07-24 11:55:29 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 936f71ae8392cd1408f3fe81778067dc SHA-1: f99a169a8531706b5ddac846037f52e95acabf18 SHA-256: b34a1a37277ed8fccf4d32ef997b891d2090223a0d5d783f7942d46d0d18dbf8
60 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.001 Malicious Link

The PDF file contains a link to a known malicious redirector, http://botcraftman.ru/, which is a strong indicator of malicious intent. This type of link is commonly used to direct users to phishing pages or to download further malicious payloads. No scripts were extracted, and the document body was not parsable, so the primary evidence comes from the embedded malicious URL.

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%BF%D1%80%D0%BE%D0%B3%D0%BE%D1%80%D0%BE%D0%B4+%D0%B4%D0%BB%D1%8F+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4+%D0%BA%D0%BB%D1%8E%D1%87&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185246_skachat_mod_dlya_euro_truck_simulator_2_cherez_torrent.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189392_new_headway_preintermediate_the_third_edition_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185884_command_and_conquer_generals_zero_hour_contra_008_alpha_2.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00024233.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24233 3556 bytes
font_01_sfnt_off00024fb6.bin
f4d2516d381dde17ab34c30cdb16416c08297a41665560dcca7db4d1249d7293		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24FB6 15772 bytes
font_02_sfnt_off00028028.bin
13c118e1b16d932ee74b7fb21ba03c9b98cbe48dfb6f44f054098b58aeb7df02		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28028 14468 bytes
font_03_sfnt_off0002aad8.bin
fa5d534e26b62405774ec22e8092d414a09fe3b6b0aa357f9013188bdf981caa		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AAD8 6264 bytes
font_04_sfnt_off0002bc70.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC70 6084 bytes
font_05_sfnt_off0002cc05.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CC05 3752 bytes

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