Malicious PDF — malware analysis report

Static analysis result for SHA-256 11a9116bec647fc0…

MALICIOUS

PDF

40.9 KB Authoring application: PDFBox
MD5: e20784c4729e46f172e74ac63569c94f SHA-1: f46847871ada3745bdeac5976799ab8ec0c58ed1 SHA-256: 11a9116bec647fc001edaccc13eab6880f6fe604d7a8dd2982fdbfbaa6ca064f
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a large number of embedded external links, as indicated by the PDF_SEO_LINK_FARM heuristic. These links likely lead to malicious content or are used for SEO manipulation. ClamAV also detected this file as Pdf.Phishing.TtraffRobotInstall-7605656-0, further supporting its malicious nature. No scripts were extracted from this sample.

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://devweb.org/uploads/1/3/0/3/130323666/tutesoxolifosus_midezobijejeda_fesaji.pdf
    • http://secretweaponstudio.com/uploads/1/3/0/3/130323817/006c44db.pdf
    • http://nolimitationsyouthservices.org/uploads/1/3/0/5/130589309/pusuxiluba.pdf
    • http://www.zachledbetter.com/uploads/1/3/0/5/130589182/1806045.pdf
    • http://www.bierfestival-sachsen.de/uploads/1/3/0/9/130969002/pagorasiwur.pdf
    • http://coge.me/uploads/1/3/0/5/130544132/3914751.pdf
    • http://redlaceindustries.com/uploads/1/3/0/7/130740496/direjetu-batovasebefivew-sisokeketo.pdf
    • http://serpboards.com/uploads/1/3/0/5/130545985/vuwukafawajavezi.pdf
    • http://nadzorinwestorski-gliwice.pl/uploads/1/3/0/7/130740590/wosumageva-fejasokevezewer-gogukaw-zeturakudobo.pdf
    • http://webdisk.lolaxkenneth.com/uploads/1/3/0/5/130539735/fogakogunabaf.pdf
    • http://hostmaster.parplataformadearquitectura.pt/uploads/1/3/0/2/130291527/nalijinukivibo-gikofidib-nurul-nodowopunu.pdf
    • http://www.arleyvillages.co.uk/uploads/1/3/0/7/130776714/7f1dcc0e6ffd833.pdf
    • http://www.freexmtuner.birthdoulasofpittsburgh.com/uploads/1/3/0/4/130490421/7230403.pdf
    • http://www.goredcrest.com/uploads/1/3/0/5/130543488/8184927.pdf
    • http://hostmaster.hbhband.it/uploads/1/3/0/6/130605462/nedonipegusopazizewi.pdf
    • http://www.contemplativecommunications.com/uploads/1/3/0/6/130621755/22a24d352980.pdf
    • http://expopul.com/uploads/1/3/0/2/130291493/rejodajomodadat_wokixuno.pdf
    • http://danthropology.com/uploads/1/3/0/7/130776405/1727164.pdf
    • http://arroparte.com/uploads/1/3/0/3/130323251/wawizedakakizi.pdf
    • http://realtimeoperatingsystem.net/uploads/1/3/0/6/130639165/fedifigixoro.pdf
    • http://kigginsco.com/uploads/1/3/0/7/130775633/lilaradin.pdf
    • http://wadewestbrook.com/uploads/1/3/0/4/130478307/aa79696.pdf
    • http://mongomuscleapparel.com/uploads/1/3/0/6/130621744/f77d266f7.pdf
    • http://yogalifesf.com/uploads/1/3/0/7/130775750/130775750.html#cara+mengubah+pdf+ke+autocad+2013

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003c4d.bin
a0a85d3f7d350609bb660cae5abba7a2a9ba518e103babfd010e35ddb6d4bcfc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3C4D 8116 bytes

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