Malicious PDF — malware analysis report

Static analysis result for SHA-256 54e90a2e3c4d1903…

MALICIOUS

PDF

46.1 KB Created: 2020-04-25 16:20:12 +03:00 Authoring application: wkhtmltopdf 0.12.1.4 (via Qt 4.8.6)
MD5: 8873c3ee3cf2bf463469a7c3af4413a4 SHA-1: c8f0c9738c74f5c064d5a3e8781b6c4cff2fc9c0 SHA-256: 54e90a2e3c4d1903489c70f29889c7dcbf8aabfb85e28f4668d125c479476343
70 Risk Score

Malware Insights

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

The PDF document contains numerous links to external PDF files, indicative of a link farm or SEO poisoning attack. The document body text, though heavily corrupted, contains a reference to 'Baahubali 2 tamil movie free mp4', suggesting a lure to attract users to click on the embedded malicious links. The primary intent appears to be directing users to download further malicious content hosted on domains like djsanddy.com and stopeurocide.com.

Heuristics 4

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://stopeurocide.com/uploads/1/3/0/5/130551059/130551059.html#baahubali+2+tamil+movie+free++mp4
    • http://djsanddy.com/uploads/1/3/0/2/130287428/8b70dcb9c5.pdf
    • http://purematt.com/uploads/1/3/1/6/131637103/9842175.pdf
    • http://scienceday.info/uploads/1/3/0/7/130776553/4984023.pdf
    • http://bigsteel.info/uploads/1/3/0/8/130813037/230563.pdf
    • http://ziranesa3.com/uploads/1/3/0/4/130478484/fedf9c0.pdf
    • http://mini-infotech.com/uploads/1/3/0/7/130738805/1822468.pdf
    • http://exoticpettingzoo.com/uploads/1/3/0/5/130539885/1101987.pdf
    • http://cmtmetalfinishes.com/uploads/1/3/0/6/130639241/7872844.pdf
    • http://tourofgippsland.com/uploads/1/3/1/3/131379026/fojemeda.pdf
    • http://frantasautocare.com/uploads/1/3/1/3/131379035/wopajilekuv-pekolop.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000075b0.bin
980f788538999f8ebf3a3c7588997ce7a4d93867c0b977aa90f04faadc9c068e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x75B0 8124 bytes
font_01_sfnt_off00009527.bin
32b54217619f9438721b423dc2f4f4da0f78781b0811ea49af2be6b0310ecf56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x9527 16164 bytes

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