Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e0b85e57b6cb723…

MALICIOUS

PDF

34.2 KB Authoring application: LibreOffice Draw
MD5: 12981d70ce251a4b1aa3ff68c16293d1 SHA-1: 4752baa65f51a3cfea962752ca7b69ad0c0d85ac SHA-256: 8e0b85e57b6cb72337aeda6a195ecc9ed4a15d6e0e0aae7b002fd9329a3920c3
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links to external PDF files hosted on various domains. This behavior is indicative of a link farm, likely used for SEO manipulation or to distribute further malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent related to traffic redirection or phishing. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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://arlencollisioncenter.com/uploads/1/3/0/8/130813398/ed37991.pdf
    • http://brooksidepathfinder.com/uploads/1/3/0/3/130313343/wenilevotumonel.pdf
    • http://miriamgracepayne.com/uploads/1/3/0/6/130620575/jozozasaligaxe-renad-nimenasejujam.pdf
    • http://mentorjess.com/uploads/1/3/0/4/130435743/potop-tujup-risenok.pdf
    • http://saywhat.shop/uploads/1/3/0/3/130313200/505097.pdf
    • http://progamingpc.com/uploads/1/3/0/7/130775198/6f63bfa19.pdf
    • http://jesusonprophecy.net/uploads/1/3/0/5/130588878/netelav.pdf
    • http://virtuallynotarized.com/uploads/1/3/0/3/130323962/7380359.pdf
    • http://areaair.space/uploads/1/3/0/2/130272395/vogezi_tesitujejutivu_pevisekodamer_xakezizugijule.pdf
    • http://talinaperkins.com/uploads/1/3/0/6/130604568/matuwowigilogu-lavozil-beretozilegilu.pdf
    • http://blackcatsculpture.com/uploads/1/3/0/5/130589237/3372614.pdf
    • http://mytextsandhumanexperiences.com/uploads/1/3/0/4/130494389/5883894.pdf
    • http://74-123-75-229.mgwnet.com/uploads/1/3/0/9/130969555/130969555.html#download+lagu+sabyan+sholawat+nariyah+mp3

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d55.bin
cdb6aaec79ebf14ac598cb8cb704bff3c803ca8bebd25549578e376a663f6bde		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2D55 7968 bytes

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