Malicious PDF — malware analysis report

Static analysis result for SHA-256 6fdd23c9f9d82a19…

MALICIOUS

PDF

50.9 KB Authoring application: PDF Studio
MD5: 7d130bca97f257c9c7ff2b42d046b8a2 SHA-1: c73edd8df43c281fb8048648aafa7465c1af3090 SHA-256: 6fdd23c9f9d82a19157c9d55e2c65fb5f872c7f4001ee7655e18ac027670ad34
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded URLs pointing to external PDF files across various domains. This behavior is indicative of a link farm or a distribution mechanism for further malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

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.kidma.hu/uploads/1/3/0/6/130621702/5522665.pdf
    • http://shubhjai.com/uploads/1/3/0/2/130288639/74184b6c9a.pdf
    • http://questsciencestore.com/uploads/1/3/0/4/130483728/luwej.pdf
    • http://thehappyhedon.com/uploads/1/3/0/3/130313193/fawalanilejagubur.pdf
    • http://administrator.raingodz.com/uploads/1/3/0/7/130738684/doreb.pdf
    • http://thelanguagefinder.com/uploads/1/3/0/6/130604557/nasomonasanu.pdf
    • http://www.gapdispatch.com/uploads/1/3/0/4/130435697/jipum_wijafiredoti.pdf
    • http://wildwrenfarm.com/uploads/1/3/0/6/130620934/9915965.pdf
    • http://bhrpropertymanagement.com/uploads/1/3/0/6/130639611/xarixawesago_paxudemixuxamiv.pdf
    • http://leandreamers.com/uploads/1/3/0/6/130639136/111516.pdf
    • http://www.werescuedc.us/uploads/1/3/0/7/130739099/lijevivusize.pdf
    • http://www.mad325.com/uploads/1/3/0/7/130739669/0e5523287c4c.pdf
    • http://checotahfirearms.us/uploads/1/3/0/2/130292148/ridovuzazusomomapag.pdf
    • http://sunflowercontent.net/uploads/1/3/0/7/130740046/2974017.pdf
    • http://mdcspa.com/uploads/1/3/0/5/130551391/memirikusaf.pdf
    • http://poconomountainproperties.com/uploads/1/3/0/4/130488509/fenilur.pdf
    • http://reportageillustrator.com/uploads/1/3/0/8/130874432/6819971.pdf
    • http://webmail.troutlilycoffee.com/uploads/1/3/0/7/130738909/1413140.pdf
    • http://kuponyaarts.com/uploads/1/3/0/6/130605075/5299922.pdf
    • http://myteslawraps.com/uploads/1/3/0/6/130622049/tadevixarale.pdf
    • http://noahcompportfolio.com/uploads/1/3/0/6/130621926/vuziwisojepubaba.pdf
    • http://vtbackcountryskiing.com/uploads/1/3/0/2/130274322/9684667.pdf
    • http://dmcappraisals.com/uploads/1/3/0/6/130622068/9061736.pdf
    • http://www.andrewsquared.com/uploads/1/3/0/3/130379101/kebolufo.pdf
    • http://kassie-nichols.rominastiebenphotography.com/uploads/1/3/0/7/130776275/130776275.html#stress+dose+hydrocortisone+septic+shock

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000fe5.bin
5351b33ccf1e951454e71109c019d5e2cab4dac3ca6e0bda2d15a3a206a7ad46		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFE5 9084 bytes

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