Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1d3eb08e01e4924…

MALICIOUS

PDF

36.4 KB Authoring application: PDFBox
MD5: 7ce73b165bf195e432019bdaa242d046 SHA-1: 264da81fe00816242da92ba2ece461159df5a9d6 SHA-256: d1d3eb08e01e4924ddde80d2e3763ec48844683510b678f03afd370623ea01f4
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 external links, identified by the PDF_SEO_LINK_FARM heuristic. These links point to various PDF files hosted on different domains, suggesting a tactic to manipulate search engine results or distribute malicious content. The ClamAV detection further confirms its malicious nature. No scripts were extracted from this sample.

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://www.drumvoice.org/uploads/1/3/0/5/130546283/3576958.pdf
    • http://elevateinsightla.com/uploads/1/3/0/3/130312984/wabezofosevafojusulu.pdf
    • http://www.riversofthekindgom.org/uploads/1/3/0/6/130639396/3972362.pdf
    • http://thomasandreeseco.com/uploads/1/3/0/8/130814871/lesibibumexoguzajo.pdf
    • http://healmyhorse.org/uploads/1/3/0/7/130740514/78e8e65aa.pdf
    • http://nekima.net/uploads/1/3/0/7/130739139/3242282.pdf
    • http://jhphotograph.com/uploads/1/3/0/6/130640104/95ec6.pdf
    • http://midlandsfestivalofflight.com/uploads/1/3/0/3/130323120/03e554af.pdf
    • http://www.mrbeavercreek.com/uploads/1/3/0/5/130543368/wubuwuruka-xenokila-xetulipuzuzof.pdf
    • http://midnightepiphanymusic.net/uploads/1/3/0/4/130435590/d062408f5e8c78f.pdf
    • http://premioscocacola.com/uploads/1/3/0/2/130287835/gebelumi_fenomekedebezo_pofefiraninijar.pdf
    • http://myguillermofloresuagro.net/uploads/1/3/0/6/130639235/0f9c496454.pdf
    • http://northwesthennepinfamilyservicecollaborative.com/uploads/1/3/0/4/130488698/1248886.pdf
    • http://michelleblanchette.org/uploads/1/3/0/2/130287852/duzenanizojukazoguwi.pdf
    • http://www.rawxandra.com/uploads/1/3/0/4/130488100/faf1c9812536.pdf
    • http://x0729992xstreamtravel.xsideas.com/uploads/1/3/0/7/130776684/130776684.html#diferencia+entre+acidosis+respiratoria+y+metabolica
    • http://michelleblanchette.org/uploads/1/3/0/2/130287852/duzenanizoju

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000031c8.bin
ef80347697907aea962d77978436a44fccfe8dac2dc9ef55822c6c854a6620fb		 pdf-font-stream PDF embedded font (sfnt) at offset 0x31C8 8884 bytes

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