Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e189383b26963b8…

MALICIOUS

PDF

50.1 KB Created: 2020-09-08 14:38:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 66bfb37bfdbf0ec2fe54d04136bf0df7 SHA-1: c0fd8b6b75cef2db2b0d135b18424c6779a55212 SHA-256: 2e189383b26963b8cf2632585e241b49e666a7ced89f16aa954fc54423915751
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a link farm and a critical heuristic firing for a malicious redirector. The document body, though heavily obfuscated, contains text related to 'chota bheem cartoon hd video free' and a URL that matches the malicious redirector. This suggests the document is designed to trick users into clicking the malicious link, likely leading to further malware download or phishing. No scripts were extracted from this sample.

Heuristics 3

  • 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.
  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • 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 https://ttraff.me/wix?keyword=chota+bheem+cartoon+hd+video+free
    • http://bltlly.com/1466l9
    • https://cdn.shopify.com/s/files/1/0434/9945/4629/files/36873678719.pdf
    • https://cdn.shopify.com/s/files/1/0435/0047/0438/files/40354868451.pdf
    • https://cdn.shopify.com/s/files/1/0429/1392/3228/files/complex_sentences_worksheet.pdf
    • https://cdn.shopify.com/s/files/1/0433/5874/8837/files/90924997419.pdf
    • https://cdn.shopify.com/s/files/1/0435/5126/0823/files/fidelity_platform_adviser_login.pdf
    • https://static.usrfiles.com/ugd/6cabbb_75945bb6b58144f2b283d03fd53eeea5.pdf
    • https://static.usrfiles.com/ugd/bcfc12_6577cc76837f42778b9cfc6e48930618.pdf
    • https://static.usrfiles.com/ugd/b8c837_cb891bbb6299400c902f166c78465094.pdf
    • https://static.usrfiles.com/ugd/f68081_6ff40138ac02492a84efe519669b9d8c.pdf
    • https://static.usrfiles.com/ugd/a13bc2_9edce0337634421889ef1b5122379eaf.pdf
    • https://static.usrfiles.com/ugd/c2007e_152c0c677221419fb95b54c0765347e1.pdf
    • https://static.usrfiles.com/ugd/b8c837_a86cc98d60f048a99d863c5b6d6b8d42.pdf
    • https://static.usrfiles.com/ugd/b8c837_91535c8b0e1d4282bde917d7e437ca87.pdf
    • https://static.usrfiles.com/ugd/4aae87_55156cddca794c56bbda7088f2161c59.pdf
    • https://static.usrfiles.com/ugd/b8c837_1ff2533c4c3f4d0db9f272b2c5c62050.pdf
    • https://static.usrfiles.com/ugd/b8c837_33cd5fcea05f4980a3ff62f771fb2855.pdf
    • https://static.usrfiles.com/ugd/769f78_c827e9fbcd4e4343998c38f8dedf0785.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006c1b.bin
500734619d452056f0d349f98484abdff3d982d637c93aeaf6537fa27dff12b2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6C1B 5060 bytes
font_01_sfnt_off00007d34.bin
fdaf432f92c9dfe13b1f192a8f744fa2385ae2066133bc1c5bad6abb6c21b809		 pdf-font-stream PDF embedded font (sfnt) at offset 0x7D34 11024 bytes
font_02_sfnt_off0000a2e8.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0xA2E8 4324 bytes
font_03_sfnt_off0000b0e8.bin
be91766732060ac40bb43c75c8f922dcdf299ed2783b32e499783e9ee915d2be		 pdf-font-stream PDF embedded font (sfnt) at offset 0xB0E8 2376 bytes

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