Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c5974d3cf93b95e…

MALICIOUS

PDF

40.0 KB Authoring application: PDFBox
MD5: 50371c347087fd6a2a451cd443699826 SHA-1: 23d3902d6eaac62180415bb5c3f124837d71a9c9 SHA-256: 3c5974d3cf93b95e72a03d4a32c83f951b3df7aefdc47732dd29b00b317edcc9
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF file contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a link farm or a phishing campaign designed to distribute malicious content or redirect users to malicious sites. The ClamAV detection as Pdf.Phishing.TtraffRobotInstall-7605656-0 further supports the phishing classification.

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://nudevember.org/uploads/1/3/0/7/130738554/bugimuvojodo-farefafugitoz.pdf
    • http://blitzthetraffickers.com/uploads/1/3/0/6/130639396/vodifeb_fazamugoxu.pdf
    • http://plumislandweavingco.com/uploads/1/3/0/6/130605344/9415926.pdf
    • http://scopeclothing.co.nz/uploads/1/3/0/6/130604886/1682fc4bbc98a9.pdf
    • http://supertekamerica.com/uploads/1/3/0/6/130639845/fisawepikafakogana.pdf
    • http://laement.com/uploads/1/3/0/5/130588531/1528748.pdf
    • http://dogzandcoffee.studio/uploads/1/3/0/7/130739632/a54492e604c7c.pdf
    • http://myaustralianview.com/uploads/1/3/0/2/130273735/366f62.pdf
    • http://mothermoxie.com/uploads/1/3/0/7/130739177/3420235.pdf
    • http://drcarolineclarke.com/uploads/1/3/0/4/130435725/1099596.pdf
    • http://yogabyamandaretreats.co.nz/uploads/1/3/0/6/130604382/9899876.pdf
    • http://k2zmedia.com/uploads/1/3/0/5/130550867/naxakajefexov-bagemimobixi.pdf
    • http://bacintra.com/uploads/1/3/0/5/130551341/pebebinofag_kokupavutukez_dupuniluz_peragemenazam.pdf
    • http://myangeliques.com/uploads/1/3/0/6/130639628/vutizoromuke.pdf
    • http://mrnicecanada.com/uploads/1/3/0/7/130775641/188cfaa2.pdf
    • http://newtraditioncoffee.net/uploads/1/3/0/5/130550794/gozutikokovivameruj.pdf
    • http://nolanthomascoffey.com/uploads/1/3/0/5/130551206/butinonapi.pdf
    • http://thefirmm.com/uploads/1/3/0/4/130435803/fugomokewulapanolu.pdf
    • http://x0877193xstreamtravel.xsideas.com/uploads/1/3/0/3/130313022/130313022.html#astrocel+1+hepa+filter+24+x+48

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003057.bin
d907c570f1f8f2d62f38d7529dbf77de46ca3a1917ec53aca7a78bae59874b04		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3057 2616 bytes
font_01_sfnt_off00003c28.bin
d5f5ea8f763ee466891fc704c53b45e1ce84f3817fb1eafaf92142a1b50ebfcf		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3C28 8644 bytes

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