Malicious PDF — malware analysis report

Static analysis result for SHA-256 2db16896af363647…

MALICIOUS

PDF

38.5 KB Authoring application: GIMP
MD5: dad37bccdafb2f98947e9cb7169fb8cf SHA-1: b90ccb76ce6702cd65daf463d01253eaa428a97f SHA-256: 2db16896af3636478db0fab9ca88407797c36e753879a66727925baf87ee2a2a
168 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains a link farm with 26 external PDF links, indicating a phishing or malicious redirection attempt. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests the document is designed to trick users into believing they need to open a password-protected archive, a common tactic to bypass security filters. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing classification. No scripts were extracted from this sample.

Heuristics 5

  • 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
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://www.iloveyoubykarly.com/uploads/1/3/0/5/130588747/9687777.pdf
    • http://richardbrooksinvestigations.com/uploads/1/3/0/6/130620902/kejet.pdf
    • http://app-recipt.com/uploads/1/3/0/2/130288447/pirad.pdf
    • http://iwishicoulddraw.com/uploads/1/3/0/6/130605339/2c580ecee26b0c.pdf
    • http://www.midtownmusic.org/uploads/1/3/0/7/130776728/cd9b40f483e.pdf
    • http://tennesseestillhouse.com/uploads/1/3/0/5/130588779/demezawozozalikajivi.pdf
    • http://owa.carrollwallace.com/uploads/1/3/0/9/130968968/mipefuv-taxagodinavo.pdf
    • http://blazzt.com/uploads/1/3/0/4/130488248/fasotakul.pdf
    • http://nestednotebooks.net/uploads/1/3/0/7/130776887/lizufarejubad_jelori.pdf
    • http://douxoverdesign.com/uploads/1/3/0/2/130287299/0e25b00a.pdf
    • http://afuture-ahope.com/uploads/1/3/0/5/130588773/zefusigopugima.pdf
    • http://ipamx.com/uploads/1/3/0/5/130588343/6d49df637cc01.pdf
    • http://acerecoverygroup.com/uploads/1/3/0/2/130289732/mufilavek-lepuwol-ruwazotez.pdf
    • http://74-123-72-199.mgwnet.com/uploads/1/3/0/7/130739239/130739239.html#adobe+flash+professional+cs6+crack+serial+number+full+download
    • http://iwishicoulddraw.com

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003e50.bin
8874d244534f60e23a5ec52221b46dc9a4545b95b7ef1c07080ba85ed71231f5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3E50 7660 bytes

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