Malicious PDF — malware analysis report

Static analysis result for SHA-256 92c00611e58668ab…

MALICIOUS

PDF

186.2 KB Created: 2015-08-08 11:38:33 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 99b398b3c74beac096efcb0e27024974 SHA-1: 9af792700c08784048f5922b9206144368bf9eaf SHA-256: 92c00611e58668aba9bac8caf2fc6d404c1143e24a6907181e9dfd036d7cfd17
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier and contains a link to a known malicious redirector. This indicates the document is likely part of a phishing or malware distribution campaign. No scripts were extracted, and the document body was heavily truncated, limiting further analysis of the specific 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=Rayman+raving+rabbids+3+%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+pc&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/6//4384/4384831_skachat_sborku_modov_hexxit_na_mayn_kraft_1_5_2.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387015_muzuyka_iz_brazilskih_serialov_skachat_besplatno.pdf
    • http://img1.liveinternet.ru/images/attach/c/6//4387/4387598_zhurnalorder_7_v_yeksel_besplatno.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_048_off0002a8a5.bin
3ca766a8419f5d55144b1389b9445fb9eab8ff4176a54b2f60336478abcdcbb6		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2A8A5 7656 bytes
font_00_sfnt_off0002403b.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2403B 3556 bytes
font_01_sfnt_off00024dbe.bin
27f83349cac2d64f29251fe528378c285cb409da15f1203cd5f4b49ee910b649		 pdf-font-stream PDF embedded font (sfnt) at offset 0x24DBE 15372 bytes
font_02_sfnt_off00027ce8.bin
f537f598b268ceace0a77dfa19d5c0dbefbc6940ee42546a158b87d8ab79164d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x27CE8 14812 bytes
font_04_sfnt_off0002bf27.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2BF27 6084 bytes
font_05_sfnt_off0002cebc.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2CEBC 3752 bytes

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