Malicious PDF — malware analysis report

Static analysis result for SHA-256 71830fa39eb7b0d2…

MALICIOUS

PDF

37.9 KB Authoring application: ImageMagick
MD5: ce6c3643aca3f844833575cfd2b76f43 SHA-1: c5d10ab5204c926ded99321a2bb7c9d7ee0161e9 SHA-256: 71830fa39eb7b0d2dd78c7f09ed318d9c9fbc66f78dce353cd09959b70866c6f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The sample is a PDF document containing a large number of embedded URLs, identified as a link farm. This technique is often used to manipulate search engine rankings or to redirect users to malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution.

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://mta-sts.mail.restaurant-lindenberg.ch/uploads/1/3/0/4/130489051/db8329f.pdf
    • http://nightlynewsnow.com/uploads/1/3/0/6/130620910/f7b78af.pdf
    • http://www.survey.lsbrpc.net/uploads/1/3/0/6/130604011/pitofuxegalev.pdf
    • http://www.johnstonesupplyantigua2018.com/uploads/1/3/0/8/130813765/7047439.pdf
    • http://www.yourwakedefinesyou.com/uploads/1/3/0/5/130543684/nonadezi-xikenoke-zixew-papisilaj.pdf
    • http://tossnola.com/uploads/1/3/0/6/130639424/5b40f68d3.pdf
    • http://legendarypowerrangers.com/uploads/1/3/0/4/130483649/9824363.pdf
    • http://maisonskincare.com/uploads/1/3/0/5/130590432/merajeduwisax.pdf
    • http://www.speakarts.com/uploads/1/3/0/5/130551920/2f8e8fc3.pdf
    • http://www.mychickenman.com/uploads/1/3/0/5/130590672/649383.pdf
    • http://mysteriesofparis.com/uploads/1/3/0/4/130483492/434429.pdf
    • http://sophosgroup.net/uploads/1/3/0/8/130874634/8abccb.pdf
    • http://carwashpumprepair.com/uploads/1/3/0/4/130435725/funopagofoves.pdf
    • http://future-entertainments.com/uploads/1/3/0/8/130873869/cd819eb957.pdf
    • http://www.themofabcollection.com/uploads/1/3/0/6/130620484/3ac888af.pdf
    • http://vaccin8apparel.com/uploads/1/3/0/2/130288448/95070fe4582c64.pdf
    • http://stratekia.net/uploads/1/3/0/4/130476873/finepoguxo.pdf
    • http://wallgears.com/uploads/1/3/0/6/130621732/mupemud.pdf
    • http://allyourteeth.com/uploads/1/3/0/3/130312983/zemeluwafuzedaxawoj.pdf
    • http://rtknowhere.com/uploads/1/3/0/5/130539516/6124557.pdf
    • http://avabaycompany.com/uploads/1/3/0/7/130739090/130739090.html#inverted+yield+curve+and+recessions

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003328.bin
2381befc7a0e79e34ee1d1ff21f39284c4f502a04373fdfcae28ebfc41d9d3a1		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3328 8328 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.