Malicious PDF — malware analysis report

Static analysis result for SHA-256 8101429e10cf6200…

MALICIOUS

PDF

39.9 KB Authoring application: Adobe PDF Library 9.0
MD5: 8fe9f8a961e74f2c77748a434009059a SHA-1: 6af86cd756b2a404f5ba181f4a589aa75990d64e SHA-256: 8101429e10cf62003f327b50a81faf9cfb3fb5d539b24d14e1cd2e9f44c228b2
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, a technique commonly used in phishing campaigns to redirect users to malicious sites or download further malware. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the specific lure.

Heuristics 3

  • 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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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://uapanesthesia.com/uploads/1/3/0/5/130590322/lorawifeweke-leluposozow-wugobuvoduwi.pdf
    • http://mikkimono.net/uploads/1/3/0/5/130589099/saxorow.pdf
    • https://tagulole.weebly.com/uploads/1/3/0/2/130271165/kokegamogeja.pdf
    • http://chrisdelany.com/uploads/1/3/0/6/130621005/9153154.pdf
    • http://rez.maisfutebol.online/uploads/2020/01/28/dijinaxevuge_rokenadeperu_wurupoz.pdf
    • http://awesomebot.org/uploads/1/3/0/6/130621506/9463267.pdf
    • http://synergyassistllc.com/uploads/1/3/0/5/130550925/2314924.pdf
    • http://dwtaylor.com/uploads/1/3/0/6/130604576/muwibuvinu_bolix.pdf
    • http://hello-baby-toys.com/uploads/1/3/0/7/130775660/130775660.html#3d+warehouse++for+mac

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001249.bin
bf11c5be0911bc1fdd8884d9425c558b5dc79942dd90e6d52202a284f5a2bd62		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1249 9612 bytes

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