Malicious PDF — malware analysis report

Static analysis result for SHA-256 4ebab23eb8d1c454…

MALICIOUS

PDF

36.1 KB Authoring application: OpenOffice Draw
MD5: 3e59f3c833e61ea8c13e8e07797b4f96 SHA-1: 78a78e2a8516b698feb864b0ad93a38f0e54a23b SHA-256: 4ebab23eb8d1c454a39df5b4df3d8add5a0434417c51e6ba9ff428d735879602
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, a technique commonly used for SEO poisoning or phishing campaigns. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious intent. The document body, though heavily obfuscated, contains references to the war of independence and includes several URLs, reinforcing the link farm attack pattern.

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://kendrakd.com/uploads/1/3/0/4/130488316/milajudixobug_jewuxojo.pdf
    • http://tcgsue.com/uploads/1/3/0/5/130590139/pipuwerowezada.pdf
    • http://ctkfriendsofmusic.weebly.com/uploads/1/3/0/6/130622042/073f3a.pdf
    • http://locushomes.com/uploads/1/3/0/4/130435839/mijajerawoxosa_bikof_fogor_jasagolovidi.pdf
    • http://alma-leather.com/uploads/1/3/0/3/130313358/1f4e9e707e80.pdf
    • http://kibugi.vigolinks.com/uploads/2020/01/28/c095938557d8f.pdf
    • http://nectargel.com/uploads/2020/01/29/lexojakafubub-nuvodelirodez-timiwikifo-mumim.pdf
    • http://sag.mnekak.pro/uploads/2020/01/29/8873657.pdf
    • http://safecleanasc.com/uploads/1/3/0/2/130271206/ratobuwewakam-robunurudi-lugizo.pdf
    • http://cecilyeiferle.com/uploads/1/3/0/2/130289308/130289308.html#desarrollo+de+la+guerra+de+independe

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001298.bin
e754b7f12fa3679daa38c718c601513433e3b44015e5b56988253ae3285e65d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1298 9216 bytes

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