Malicious PDF — malware analysis report

Static analysis result for SHA-256 bf995243eb5ce86e…

MALICIOUS

PDF

35.2 KB Authoring application: PDF Studio
MD5: 1c3e5502b72695a69e4a3004e6f366b5 SHA-1: fcd85c1ec338f5abd0b4de3916ca5857b1c6506c SHA-256: bf995243eb5ce86e461a3c3c25796c6a2659957966febc3d4975c4d8acc66b22
128 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 as a link farm, directing users to download other PDFs. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' strongly suggests a phishing or malicious redirection campaign. The embedded URLs are part of this link farm, likely intended to distribute further malicious content or lead to phishing sites.

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
  • 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://neholidaylight.co/uploads/1/3/0/8/130813577/setadefiga.pdf
    • http://mljmusic.org/uploads/1/3/0/5/130551675/pawuduragejak.pdf
    • http://peper.co.nz/uploads/1/3/0/6/130621803/kufatajoxanis.pdf
    • http://woodridgefarm.net/uploads/1/3/0/6/130622002/3c222f6c6b286.pdf
    • http://arsfabricandi.com/uploads/1/3/0/2/130272638/6766940.pdf
    • http://lifetunesonline.net/uploads/1/3/0/2/130291623/5111659.pdf
    • http://movethemortgage.com/uploads/1/3/0/4/130488223/nobazivenumovuto.pdf
    • http://333survival.com/uploads/1/3/0/3/130313634/3e3d40e2a.pdf
    • http://darcyrylander.com/uploads/1/3/0/6/130604881/tidevabirirora.pdf
    • http://developmentechnwkllc.com/uploads/1/3/0/6/130622047/vutigegixud-pubudakizoko-lasum.pdf
    • http://modularscience.net/uploads/1/3/0/6/130604529/norebadananediw.pdf
    • http://minidvdworld.com/uploads/1/3/0/7/130775009/bb9a1.pdf
    • http://advance-it.net/uploads/1/3/0/4/130483725/130483725.html#cambridge+global+english+stage+7+pdf+free+download

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002ff7.bin
15832e9390d3b062e89e8de2738237b40f0918aa288ea50ba5847decf156f97a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x2FF7 9652 bytes

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