Malicious PDF — malware analysis report

Static analysis result for SHA-256 7cde4ce61574b2d9…

MALICIOUS

PDF

46.5 KB Authoring application: Inkscape
MD5: b9694fef36d410afe23c34df20ad92c4 SHA-1: 76f4574ce5555926493c5c33d7d805d665039419 SHA-256: 7cde4ce61574b2d9e0404e12ef8bf661130bd3a8e2932b15c237ba91c412c759
150 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier and ClamAV detection strongly suggest malicious intent. The primary purpose appears to be SEO manipulation or directing users to potentially malicious content hosted on numerous domains, with http://ramblinghouseshow.com/uploads/1/3/0/6/130639246/2572844.pdf being the first in the list.

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://ramblinghouseshow.com/uploads/1/3/0/6/130639246/2572844.pdf
    • https://loselelu.weebly.com/uploads/1/3/0/5/130550783/251507.pdf
    • http://modernmommydoula.com/uploads/1/3/0/6/130603783/wexobegabo.pdf
    • http://adairwatkins.com/uploads/1/3/0/4/130436415/wimerowozo_lilumonamap.pdf
    • http://juliablack.net/uploads/1/3/0/2/130270996/lopolimumu-dalanamubafidu-tabokaromigen-bifanibexekuwem.pdf
    • http://zixatovav.finresult.com/uploads/2020/01/29/tijasa-kutesu-sovuremuzikeva-liwimiz.pdf
    • https://rilarapijapiti.weebly.com/uploads/1/3/0/5/130590168/5568980.pdf
    • http://olqm.us/uploads/1/3/0/6/130620560/8044574.pdf
    • http://kalmanmari.info/uploads/2020/01/28/3819339.pdf
    • http://moot.nilsinternational.org/uploads/1/3/0/2/130289322/a940af97.pdf
    • http://caddelite.ca/uploads/1/3/0/2/130270899/zelorajegitivi.pdf
    • http://michsblingboutique.com/uploads/1/3/0/4/130483074/5844995.pdf
    • https://jofazewopege.weebly.com/uploads/1/3/0/4/130476564/4650029.pdf
    • http://ekamniearth.com/uploads/1/3/0/3/130323455/7dca86862cb9.pdf
    • http://sacredhearts.ca/uploads/1/3/0/6/130604626/5846392.pdf
    • http://norfolknyfire.org/uploads/1/3/0/6/130604949/najarajifigujofenake.pdf
    • http://buyerstreasure.com/uploads/1/3/0/4/130490808/6264959.pdf
    • http://gupu.ul-net24.ru/uploads/2020/01/28/3577197.pdf
    • http://qwikcheckapp.com/uploads/1/3/0/6/130621542/leronop.pdf
    • http://fallbrookorganictrail.com/uploads/1/3/0/4/130493816/juvopon-bedunivit-kitoxitup-wegubibojibowiz.pdf
    • http://northernrailleaders.com/uploads/1/3/0/6/130604371/130604371.html#genome+data+sharing+certification+template

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000fb6.bin
a9115ce5b0fbdac3e82c995e032d8a5c1d5c5085774a498aae2f61f535a495d0		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFB6 7704 bytes

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