Malicious PDF — malware analysis report

Static analysis result for SHA-256 452f9a63d1b1199b…

MALICIOUS

PDF

48.1 KB Authoring application: Solid Converter PDF
MD5: 491792149c6e0abf322762241fe5538e SHA-1: 7bf440d768a8ba346a6f0f395c3efae9bc8b149c SHA-256: 452f9a63d1b1199b96896143406b9ca20333e187b4e580d3c205e0b1caf10540
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to other PDF files on various domains. This technique is often used to create link farms for SEO manipulation or to redirect users to malicious content. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. No scripts were extracted from this sample.

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://perthempowered.com/uploads/1/3/0/6/130639296/patupow.pdf
    • http://bsmithcontracting.com/uploads/1/3/0/4/130476456/kaxodevi.pdf
    • http://believersjourney.net/uploads/1/3/0/6/130620674/xakepifowivim.pdf
    • http://stefaniefletcher.com/uploads/1/3/0/6/130639074/sagizubowadapa-dilukidugevo-jigevumo.pdf
    • http://meresoft.net/uploads/1/3/0/5/130588962/bawojetiteg_wikodumogufelo_munitojeto_gikuvijezisubab.pdf
    • http://brittanycandice.com/uploads/1/3/0/9/130969915/9004056.pdf
    • http://curatingfaithformation.com/uploads/1/3/0/7/130775821/9578e75b9cdc215.pdf
    • http://leaseoptioninvesting.net/uploads/1/3/0/8/130874257/5881831.pdf
    • http://dankennedytheowl.com/uploads/1/3/0/6/130621969/ragavorugurubabumap.pdf
    • http://mogulmeadows.org/uploads/1/3/0/2/130288481/d00288.pdf
    • http://assessmentsystemscorp.com/uploads/1/3/0/6/130605278/zazajezetabi.pdf
    • http://74-123-77-9.mgwnet.com/uploads/1/3/0/5/130544584/130544584.html#recovery+after+cabg

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000065f5.bin
74da2020b2996969871af347b47ed39a2b0b3c723f06934aa05bc5685cf463f3		 pdf-font-stream PDF embedded font (sfnt) at offset 0x65F5 7952 bytes

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