Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea7d318c6f9a0007…

MALICIOUS

PDF

44.4 KB Authoring application: Adobe PDF Library 9.0
MD5: 3508d7d2f4ac1d1e8711f0688cd0106b SHA-1: 1a4c69a0eb9625ec985506659f54331f2d2874c4 SHA-256: ea7d318c6f9a0007bab0fd590eaba0f84522adf6ad03de244b07b07c1a1b00d8
150 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified by the PDF_SEO_LINK_FARM heuristic, which is indicative of a link farm or redirection tactic. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. No scripts were extracted, but the sheer volume of external links points to a strategy of overwhelming or misleading users into clicking potentially harmful content.

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://cashmerecanada.ca/uploads/1/3/0/6/130621120/1355535.pdf
    • http://fofo.med555.ru/uploads/2020/01/28/sejav-fojibatudeke-kibotipobagox.pdf
    • http://nakomahomesandland.com/uploads/1/3/0/5/130588343/jovov-veberirakifanos-funulupotiv-jenegopepo.pdf
    • http://xopabowabo.alkotoxx.ru/uploads/2020/01/27/zawifuraf.pdf
    • http://mynirvani.com/uploads/1/3/0/5/130552055/802573.pdf
    • http://jeremywagstaff.net/uploads/1/3/0/4/130436252/lebiwodudejimavifabu.pdf
    • http://mirrormath.net/uploads/1/3/0/4/130476468/tasasexeba_nuduvux_mexusekuwumovom_xivan.pdf
    • http://zedozowale.agicole-acces.com/uploads/2020/01/28/rexoronopilegejo.pdf
    • http://aandnlawn.com/uploads/1/3/0/6/130604215/zorakixekunugigujidu.pdf
    • http://printingpressrollers4less.com/uploads/1/3/0/3/130379488/1cb8cd32b9c.pdf
    • http://illine.com/uploads/2020/01/27/730594a8ec5f90f.pdf
    • http://aadvantageroofingconsultants.com/uploads/1/3/0/6/130621959/2920887.pdf
    • http://myersfamilyunified.com/uploads/1/3/0/4/130436307/dezekokevizapi-xonavoli.pdf
    • http://portalindustries.org/uploads/1/3/0/5/130590588/5670527.pdf
    • http://wovede.e7ernall.pw/uploads/2020/01/28/latojebagato.pdf
    • http://mbaexpertise.com/uploads/1/3/0/5/130545932/4c68cf7.pdf
    • http://red4edactionnc.com/uploads/1/3/0/3/130379285/c3b8ca.pdf
    • http://mygcstm.com/uploads/1/3/0/5/130539270/rebizero.pdf
    • http://riorockstars.com/uploads/1/3/0/2/130272284/nopifasobus.pdf
    • http://originalpancakehousesavannah.com/uploads/1/3/0/6/130621570/6588575.pdf
    • http://my-genuine-life.com/uploads/1/3/0/2/130271041/2944333.pdf
    • http://new-m2.ru/uploads/2020/01/27/6563917.pdf
    • http://sejawivux.cityglush7.icu/uploads/2020/01/28/6068750.pdf
    • http://takprosto.club/uploads/2020/01/28/1a3c560c0a1c73.pdf
    • http://marketingforsalessuccess.com/uploads/1/3/0/6/130639027/130639027.html#pdf+annotation+app+for+android+tablet

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001753.bin
49c052927fac649d8587eed9a304aef71764cf77e39fc7ab5663ced2624f9576		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1753 8364 bytes

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