Malicious PDF — malware analysis report

Static analysis result for SHA-256 12607d524abb75c8…

MALICIOUS

PDF

183.9 KB Created: 2015-07-25 00:24:06 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 1ab822df3e21bc04cb28c2a94a5d9de9 SHA-1: 4acdfe1b1210dd7d2662be533f1e82039152fcde SHA-256: 12607d524abb75c85d5b64faba78815cf4f334cda121faa8a18b01376c7d9c7a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing indicating a malicious redirector link to botcraftman.ru. This URL is likely used to lure users to a malicious site for phishing or malware delivery. No scripts were extracted, but the presence of the malicious URL strongly suggests a 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%BE%D0%B4%D1%8B+%D0%BE%D1%88%D0%B8%D0%B1%D0%BE%D0%BA+%D0%BC%D0%B8%D1%86%D1%83%D0%B1%D0%B8%D1%81%D0%B8&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189401_talon_na_moped_skachat.pdf
    • http://img0.liveinternet.ru/images/attach/c/5//4188/4188351_spider_man_shattered_dimensions_skachat_torrent_na_pc.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4189/4189988_skachat_sborku_dlya_maynkraft_1710_s_modami.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_off00023d9e.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x23D9E 3556 bytes
font_01_sfnt_off00024b21.bin
ac582398ab79d569ba18a03ab43768f66f7c3226e173c9cd098b07aff7b218c8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24B21 14964 bytes
font_02_sfnt_off00027947.bin
d9775475238cab7937fa4e35d65fbe93a357e8a9e242d68b4cc886ecd1dec298		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27947 14520 bytes
font_03_sfnt_off0002a416.bin
d5a821f6d5010113252363d066b79407992426c985d798ade30ca16b7949c14b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2A416 6296 bytes
font_04_sfnt_off0002b5bc.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2B5BC 6084 bytes
font_05_sfnt_off0002c551.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C551 3752 bytes

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