Malicious PDF — malware analysis report

Static analysis result for SHA-256 227ba207af5a0a3e…

MALICIOUS

PDF

39.1 KB Authoring application: SWFTools
MD5: 94b976b66d3cb08d180e0d789c28e83d SHA-1: 59512611fcaf48191d46a709271c0a504cabad55 SHA-256: 227ba207af5a0a3e8e6b521e6ba47f19e580e1d0da8b7ebece0fc32f59581904
120 Risk Score

Malware Insights

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

The PDF file contains a large number of external links, identified as a PDF_SEO_LINK_FARM heuristic. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports a malicious classification. The document body, though partially corrupted, mentions 'Acido urico y dieta pdf', suggesting a lure to trick users into visiting the linked pages, which are likely part of a phishing or scam campaign.

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://southenddiving.co.uk/uploads/1/3/0/6/130604688/wotikagudub_xinivixaziwuga_vokapubofogen.pdf
    • http://carrizalesforwarding.com/uploads/1/3/0/5/130550960/kulajet.pdf
    • http://meowsitting.co.uk/uploads/1/3/0/4/130435688/xewuzopepusojaro.pdf
    • http://carlicoboutique.com/uploads/1/3/0/6/130620490/fadirolor-bulivanu.pdf
    • http://jassentawil.net/uploads/1/3/0/8/130813571/dadugudi.pdf
    • http://virtualpoe.com/uploads/1/3/0/3/130313024/rafinowadije_miralewi_kijanadafej.pdf
    • http://theowlandtheravens.com/uploads/1/3/0/6/130605258/xexufira.pdf
    • http://aseanbamboocongress2019.org/uploads/1/3/0/5/130588606/foxujesamuton.pdf
    • http://jbkapp.com/uploads/1/3/0/2/130291702/eae68ad.pdf
    • http://knowwebdesign.com/uploads/1/3/0/2/130271187/952ab21e4aad93.pdf
    • http://kohno-corp.com/uploads/1/3/0/4/130435751/130435751.html#acido+urico+y+dieta+pdf

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004244.bin
753b2df4ecdd2487051f417f17516fcfe99dbe224247465045ce419e1fd8d210		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4244 8780 bytes

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