Malicious PDF — malware analysis report

Static analysis result for SHA-256 aeae55260820422f…

MALICIOUS

PDF

47.2 KB Authoring application: Solid Converter PDF
MD5: e265d4cdccf1f4aa01da8be0c1b5cb05 SHA-1: 8a9a52976f5bf1661e6bfc4442e17ae0e27ad4bb SHA-256: aeae55260820422f80d3fc4e22cb9dd5ff0c56cdf474b508c2bbb86de6cb738a
152 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection further support its malicious nature. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine the exact lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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://lunchbox-gourmet.com/uploads/1/3/0/5/130539336/sewobulogakir_zemus.pdf
    • http://justinalfond.net/uploads/1/3/0/5/130540077/8085426.pdf
    • http://creatingthespaces.com/uploads/1/3/0/6/130621214/jorojapiv-kuvurigukuk-favogowu.pdf
    • http://ceresevents.org/uploads/1/3/0/6/130605521/6895839.pdf
    • http://www.southernrootsgaffney.com/uploads/1/3/0/4/130488195/daf656.pdf
    • http://almosteverything6dollars.com/uploads/1/3/0/7/130739443/redodig.pdf
    • http://www.midwestbunfest.com/uploads/1/3/0/5/130550755/73665.pdf
    • http://larisamanescu.com/uploads/1/3/0/4/130436519/kozikegep.pdf
    • http://myslotweb.com/uploads/1/3/0/3/130323556/pixitatiretata.pdf
    • http://bonfirewiffleball.com/uploads/1/3/0/2/130272905/6349318.pdf
    • http://angelatheory.com/uploads/1/3/0/8/130874600/2141161.pdf
    • http://thesugardots.com/uploads/1/3/0/6/130621789/juziwoxomo-natuxonilakem.pdf
    • http://rochester-santa.com/uploads/1/3/0/5/130539370/nezamamivamekafilem.pdf
    • http://barsportpobla.com/uploads/1/3/0/6/130620313/kisumumet_sudifuwu.pdf
    • http://capitolapebbles.com/uploads/1/3/0/5/130588834/8307547.pdf
    • http://salestrainingcourse.org/uploads/1/3/0/4/130488615/fb63e02512f0e.pdf
    • http://drrobertlang.com/uploads/1/3/0/2/130287313/dijuwi_minixom.pdf
    • http://desertside.com/uploads/1/3/0/6/130605040/7072975.pdf
    • http://www.canativeseeds.com/uploads/1/3/0/2/130273789/5fc992.pdf
    • http://brickhouseroofing.com/uploads/1/3/0/5/130551087/5894394.pdf
    • http://acts2035.online/uploads/1/3/0/5/130588980/vonanufikuvurasaz.pdf
    • http://bardosfoundation.bardosdiamondsports.com/uploads/1/3/0/7/130738511/130738511.html#airmon-ng+not+found+termux
    • http://www.midwestbunfest.com/uplo

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005556.bin
a2b99b5c80b0fbce03d21e530158efb2f6663d2157e1db748b7663cc3b131cc5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5556 9000 bytes

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