Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e3901086dbd095b…

MALICIOUS

PDF

36.3 KB Authoring application: OpenOffice Draw
MD5: ce8c85ed4aad3a52cf69889cf7d4ff8a SHA-1: e3cc84763307a6e027ccbbb2a41435d4815d6557 SHA-256: 6e3901086dbd095beb880c1afc7cdf008a04c40b670ff8f70e6f9d2df9ef82e2
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a large number of external links, many of which point to other PDF files, suggesting a link farm or redirection mechanism. The heuristic 'SE_INVOICE_LURE' indicates the document's content is designed to mimic an invoice or payment request, encouraging user interaction. While no scripts were explicitly extracted, the presence of numerous embedded URLs and the ML classification strongly suggest malicious intent, likely to redirect users to malicious content or phishing sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.
  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://doloresgrillocoach.com/uploads/1/3/0/4/130483320/5694979.pdf
    • http://bergencabinets.com/uploads/1/3/0/4/130477310/466832b.pdf
    • http://estudiorins.net/uploads/1/3/0/8/130814341/tujojatozitatax.pdf
    • http://guidancefinance.com.au/uploads/1/3/0/6/130621905/xixigozesusabir-viguwipan-limesane.pdf
    • http://bigbrightearth.com/uploads/1/3/0/5/130543538/5456176214c.pdf
    • http://superinvicta.com/uploads/1/3/0/5/130550825/9464415.pdf
    • http://tomryan.com.au/uploads/1/3/0/2/130288559/gokuxekabagozoz-xodukug-tituvukefoki-degekeneduk.pdf
    • http://levelupintuition.com/uploads/1/3/0/6/130603851/93d10a5571547ce.pdf
    • http://wvuhousing.com/uploads/1/3/0/5/130543141/buzatifexox.pdf
    • http://nootkasoundretreats.com/uploads/1/3/0/3/130312983/guvonizazefi.pdf
    • http://orencostation.org/uploads/1/3/0/8/130815093/27801.pdf
    • http://www.magicalgourmet.com/uploads/1/3/0/4/130489228/130489228.html#continuous+compound+interest+calculator+find+rate

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000036bd.bin
598cf9e3192669890df79716e89675d6a171d9ef5f0be375b46c2ff72542177c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x36BD 7936 bytes

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