Malicious PDF — malware analysis report

Static analysis result for SHA-256 d3fd6f68d8430a01…

MALICIOUS

PDF

187.2 KB Created: 2015-07-24 09:19:27 +03:00 Authoring application: wkhtmltopdf 0.12.2.1 (via Qt 4.8.6)
MD5: 9ca3833de401a3d81c496b4001eb29d2 SHA-1: a7d49f8cc47980b3c600f7f987488d4e808813a9 SHA-256: d3fd6f68d8430a017100beacddff7c8167f9e23df1a7f359b1b1a19a0e0df6fc
90 Risk Score

Malware Insights

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

The PDF file was flagged by a critical heuristic for linking to known malicious redirector infrastructure. The ML classifier also strongly indicated maliciousness. The embedded URL, http://botcraftman.ru/..., is the primary indicator of compromise, likely serving as a gateway to a malicious payload or phishing page. 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=Hill+climb+racing+%D0%B1%D0%B5%D1%81%D0%BA%D0%BE%D0%BD%D0%B5%D1%87%D0%BD%D1%8B%D0%B5+%D0%B4%D0%B5%D0%BD%D1%8C%D0%B3%D0%B8+%D0%BD%D0%B0+%D0%B0%D0%BD%D0%B4%D1%80%D0%BE%D0%B8%D0%B4&charset=utf-8
    • http://fastpic.ru/
    • http://www.liveinternet.ru/click
    • http://img0.liveinternet.ru/images/attach/c/5//4184/4184970_gay_govard_tehnika_evropeyskih_tancev_pdf.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185473_icatvision_skachat.pdf
    • http://img1.liveinternet.ru/images/attach/c/5//4185/4185551_wwe_2k14_skachat_torrent_na_pk.pdf

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000245eb.bin
880e53e6f12106514012eaabb19a261b9f8ae03d695445fc59a5b9b5a1293281		 pdf-font-stream PDF embedded font (sfnt) at offset 0x245EB 3556 bytes
font_01_sfnt_off0002536e.bin
273664b21da4f75e6630e9595820e0393db45c0e7dbb1ef87362b6aad5eb690a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2536E 14824 bytes
font_02_sfnt_off00028168.bin
623aca19128edf307d62885f92b58229e2310f68459df22b1b857b8c5ceba29c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x28168 14820 bytes
font_03_sfnt_off0002ad06.bin
72c19b778f2a944a55964ec50314c1a6149949878e2c411c440f1f56bcf03180		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2AD06 7488 bytes
font_04_sfnt_off0002c2e5.bin
819f9cc5156bfe3dae03045446d677a19b5879270357875344f9514601da73e3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2C2E5 6084 bytes
font_05_sfnt_off0002d27a.bin
9364d8c42993f0db1eb41a63b15a48dd56cef5056a611ab8e91dd81183a5a95e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D27A 3752 bytes

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