Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1749b7ed650ed8e…

MALICIOUS

PDF

29.5 KB Authoring application: Nitro PDF
MD5: c56a35919cd86b8dc84ad427ba382046 SHA-1: b08290824f9d14403dbfdf9f5f4fc38ff3bb33a8 SHA-256: d1749b7ed650ed8e1a8a96df367eb8234411bb7ad09e23f90a082f4dbb462699
150 Risk Score

Malware Insights

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

The PDF contains a large number of external links, identified as a 'PDF_SEO_LINK_FARM' heuristic. The embedded URLs point to various PDF files hosted on different domains, suggesting a coordinated effort to distribute content or manipulate search engine results. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a malicious intent, likely related to phishing or traffic redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

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.marathonsignboss.com/uploads/1/3/0/4/130483396/5dbf711ee9e9da7.pdf
    • http://aimeelora.com/uploads/1/3/0/7/130775939/d2cd2.pdf
    • http://ponometrics.com/uploads/1/3/0/4/130489367/4546399.pdf
    • http://mta-sts.mail.kingdomrevelation.org/uploads/1/3/0/5/130550983/747324.pdf
    • http://www.inselbach.com/uploads/1/3/0/4/130490250/dccdf.pdf
    • http://drtam.shop/uploads/1/3/0/5/130543598/5157427.pdf
    • http://collinturner.com/uploads/1/3/0/6/130620154/a3373db8c69.pdf
    • http://naominnewmexico.com/uploads/1/3/0/7/130738825/viwuluvux.pdf
    • http://cantonfair2u.com/uploads/1/3/0/7/130776211/faxarojupanapitazi.pdf
    • http://mindmadekc.com/uploads/1/3/0/3/130379206/0a98b.pdf
    • http://skylinegaming.net/uploads/1/3/0/4/130483043/zoduju.pdf
    • http://barnwoodbilliards.com/uploads/1/3/0/8/130813992/e6824e7e.pdf
    • http://oliviabosek.com/uploads/1/3/0/5/130546243/2033204.pdf
    • http://rowancannell.com/uploads/1/3/0/8/130813362/7618934.pdf
    • http://naka-g.creps-inc.jp/uploads/1/3/0/5/130588195/a1bbeb4d2.pdf
    • http://commerce-runningabusinessunit.com/uploads/1/3/0/3/130379352/9045e0df54.pdf
    • http://www.nicolleespinal.com/uploads/1/3/0/5/130539215/f0913c3c03.pdf
    • http://phillywaxing.com/uploads/1/3/0/5/130542936/8083288.pdf
    • http://www.cheshycheshy.com/uploads/1/3/0/6/130640069/nojanow.pdf
    • http://whirlwindlabs.co/uploads/1/3/0/2/130274282/potoni_gerunuberig_bimosoduz.pdf
    • http://clinicalcampus.com/uploads/1/3/0/6/130603988/zuvabumen.pdf
    • http://suzannamarie.com/uploads/1/3/0/2/130271098/peninaxozit.pdf
    • http://gnsi7.bpmtc.com/uploads/1/3/0/2/130291593/130291593.html#reference+letter+for+teacher+job

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000017b1.bin
fc54702f7b05c33aa15b4bbdd83e8f45b624003a8ba045f363e68c92bc9a05ae		 pdf-font-stream PDF embedded font (sfnt) at offset 0x17B1 5744 bytes

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