Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e5f96898bf920f5…

MALICIOUS

PDF

41.2 KB Authoring application: PDFedit
MD5: 7cd89397e47de30ade5542ee9052eb62 SHA-1: cb711871c60a20afca3c2335294e5763aad2c414 SHA-256: 1e5f96898bf920f5914941a1e376a4ce63355fccf25305f16bf1acadb29ff187
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs pointing to external PDF documents. This behavior is indicative of a link farm, often used for SEO manipulation or to distribute malicious content. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the malicious nature of this file, suggesting it is part of a phishing or traffic redirection scheme.

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://webu.james-read.com/uploads/2020/01/29/e570b2066.pdf
    • http://adagedanceanddrama.com/uploads/1/3/0/2/130270901/juparamirodabad-luzijidod-xomalagu-juxexorivo.pdf
    • http://dlgicefactory.com/uploads/1/3/0/5/130590457/564624.pdf
    • http://msmagnosjcs.com/uploads/1/3/0/4/130488754/f127ace61941f9.pdf
    • http://trustcld.com/uploads/1/3/0/4/130483474/8206189.pdf
    • http://theawesomeguide.com/uploads/1/3/0/4/130435532/7903867.pdf
    • http://mobilemuttsrescue.com/uploads/1/3/0/2/130272260/jibusema-felojivafenag-pozabubalo-kasizegububoj.pdf
    • http://chrysalisholistics.com/uploads/1/3/0/5/130589412/70395755d65fdc5.pdf
    • https://lafonapof.weebly.com/uploads/1/3/0/5/130543333/2ebf8c.pdf
    • http://trickonecustoms.com/uploads/1/3/0/5/130542728/tetexore.pdf
    • http://mhrandlenovels.com/uploads/1/3/0/4/130490928/130490928.html#newsela+quiz+answer+key

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001295.bin
360fdb55ccf50e5b3a724df80bc120182cf94a76babe1f29178648ad6051b1bd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1295 8860 bytes

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