Malicious PDF — malware analysis report

Static analysis result for SHA-256 9a0da36dabb12ca3…

MALICIOUS

PDF

47.2 KB Authoring application: ImageMagick
MD5: 85526bdd8c34831f07fd6e3c533964a9 SHA-1: 596c775860bcc2710d0fc66bd675496f009674c6 SHA-256: 9a0da36dabb12ca3cc3d1516df1fffee4138c86a50522ce7fd27dedfcf48bbba
128 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell T1204.002 Malicious Link

The PDF contains an embedded JavaScript stream and a large number of external PDF links, indicating a link farm for phishing or malware distribution. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports this. The primary attack pattern involves directing users to a network of suspicious URLs hosted on domains like 'elpatriarcado.club'. No specific malware family was identified.

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
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://elpatriarcado.club/uploads/1/3/0/2/130272577/tejoletuw_wozunejowo_fagadurojepiwul_rakuvisejilonag.pdf
    • http://supplementsformedicare.com/uploads/1/3/0/4/130483981/6d4cb8acb.pdf
    • http://aubperyphotography.com/uploads/1/3/0/6/130604227/7da82b5dad2.pdf
    • http://255ideas.com/uploads/1/3/0/5/130589083/lojoramulawoja_vavawemomugo_wimazipaz_xojagowisezavet.pdf
    • http://www.bjornmaroten.com/uploads/1/3/0/7/130738915/gotivojujawez-ridanivotukarap.pdf
    • http://imaginify.net/uploads/1/3/0/2/130289669/rarofexuxapekij-panap-vuputiwurut-zigowozapej.pdf
    • http://acceleratecleaning.com/uploads/1/3/0/5/130589231/delevofol-zorerir-xezobetebeno-rigitinizinof.pdf
    • http://classicbimmers.nl/uploads/1/3/0/6/130604494/xekanokedas.pdf
    • http://curbappealrocks.com/uploads/1/3/0/7/130739029/xekoje.pdf
    • http://orangecountyflamenco.com/uploads/1/3/0/7/130775254/fekonilavolipabi.pdf
    • http://cr3ds.com/uploads/1/3/0/6/130621390/luguzojoda_xijaposo_denopulixoravo.pdf
    • http://hostmaster.theapenna.co.uk/uploads/1/3/0/3/130324351/130324351.html#spondylosis+l5+s1+nerve

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00006162.bin
5dd3e49e74048bc1ccb3c46298c8fe2b54a8669279caefafeefa7c127bc952d8		 pdf-font-stream PDF embedded font (sfnt) at offset 0x6162 8156 bytes

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