Malicious PDF — malware analysis report

Static analysis result for SHA-256 ec83be96434d8740…

MALICIOUS

PDF

35.0 KB Authoring application: Solid Converter PDF
MD5: d3208324d13f70d380490dbf689de17a SHA-1: a67b97ae4f55c9592164c7c0d099a9d96f4b2f09 SHA-256: ec83be96434d874060b29fa288c632e4be61fc2fbf84857934f4a71b894cb02c
128 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or phishing lure. The SE_INVOICE_LURE heuristic further indicates that the document's content is designed to trick the user into taking an action, such as clicking a link. The ClamAV detection confirms the malicious nature of the file. The embedded links are the primary indicators of malicious activity, likely leading to a phishing site or a download of further malicious content.

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
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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://planinskivitez.weebly.com/uploads/1/3/0/5/130542775/1746268.pdf
    • http://begi.ivpallet.ru/uploads/2020/01/28/vozulumekivogorafibi.pdf
    • http://binda-narine.com/uploads/1/3/0/2/130291029/8265324.pdf
    • http://22502119.nhd.weebly.com/uploads/1/3/0/4/130492315/zaxoxugude_lemofak_vegilapifukexav.pdf
    • http://swimleftlabs.com/uploads/1/3/0/5/130590186/9910974.pdf
    • http://zex.bestperles01.fun/uploads/2020/01/28/perivizefavofe-memidogemiminur-gotagatixiluxuz.pdf
    • http://mypomskies.com/uploads/1/3/0/5/130545581/tirugofujuwaweliw.pdf
    • http://nrttourscentre.com/uploads/1/3/0/3/130323392/gexagewotexefagu.pdf
    • http://alexpepstein.com/uploads/1/3/0/3/130324320/diresojaj-lasoxetilil.pdf
    • http://armsandmindsrenovations.com/uploads/1/3/0/3/130313340/balofedezo_susemogubufu_logoputaworani_tikavosebu.pdf
    • http://stmatthewsvoorheesville.com/uploads/1/3/0/6/130621587/130621587.html#deccan+chronicle+sunday+astroguide

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000012ee.bin
a2e0b851fe5c7a9a714dc9d86bc7be1162d53b26bc21af470ca7534ff1862d7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12EE 7860 bytes

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