Malicious PDF — malware analysis report

Static analysis result for SHA-256 83513bf46e6b23e2…

MALICIOUS

PDF

36.6 KB Authoring application: Inkscape First seen: 2020-09-24
MD5: 4746fafc73a3a21b0b17394858a2237f SHA-1: 12e2e0f697d9129b8dd4b8cea9e67bf98a89149c SHA-256: 83513bf46e6b23e2d81905475da903e2a02eab1f85fe66e192fea9f3dd0ea877
152 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a large number of embedded URLs, identified as a link farm, which is a common technique for distributing malicious content or conducting phishing attacks. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery. No scripts were extracted, but the sheer volume of external links suggests a primary function of redirecting users to potentially harmful sites.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 3

  • ClamAV: Pdf.Phishing.TtraffRobotInstall-7605656-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.TtraffRobotInstall-7605656-0
  • 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.
  • 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://almostathirdgrader.com/uploads/1/3/0/6/130639411/lizeje-peledilam-fosijej.pdf In PDF document text
    • http://aberturasazteca.com/uploads/1/3/0/4/130477146/fadavino_rumivu.pdfIn PDF document text
    • http://lilahbazarte.com/uploads/1/3/0/7/130775652/661957.pdfIn PDF document text
    • http://kathyfitzsimmonsart.com/uploads/1/3/0/3/130323836/jalopi.pdfIn PDF document text
    • http://nuancetravelacademy.com/uploads/1/3/0/6/130639712/43d01a94c836.pdfIn PDF document text
    • http://stevesparke.com/uploads/1/3/0/2/130289475/8566890.pdfIn PDF document text
    • http://swept-supplies.com/uploads/1/3/0/7/130739567/fizowupekimerowalapa.pdfIn PDF document text
    • http://omahaventuregroup.org/uploads/1/3/0/8/130873996/bee8f3ff51.pdfIn PDF document text
    • http://mosmall.net/uploads/1/3/0/5/130551941/remizorisebaze_kutara_tewadovorate_nimib.pdfIn PDF document text
    • http://propertiesbypaula.com/uploads/1/3/0/7/130739544/batujupige_xagozoxuketefel_rasadel_kekikox.pdfIn PDF document text
    • http://appel-stores.shop/uploads/1/3/0/6/130604850/gasisedepilabip.pdfIn PDF document text
    • http://mobilecraftbottlingcompany.com/uploads/1/3/0/2/130274146/bimogewuxo_zamifebaninas.pdfIn PDF document text
    • http://nicoleunthreaded.com/uploads/1/3/0/6/130605175/d54a3cb02732.pdfIn PDF document text
    • http://panthermodz.com/uploads/1/3/0/7/130738503/417ae9519d6a8.pdfIn PDF document text
    • http://beautifulmindsouthcarolina.com/uploads/1/3/0/7/130775299/japop-kuruxiwipapuwup.pdfIn PDF document text
    • http://bbodaciousfitness.com/uploads/1/3/0/6/130621280/6546718.pdfIn PDF document text
    • http://creativeshirtdesigns.com/uploads/1/3/0/6/130603740/f5ab02af5648.pdfIn PDF document text
    • http://mail.rebokamoso.com/uploads/1/3/0/7/130739164/vinidiguvapolos.pdfIn PDF document text
    • http://naturallyfierceandbeautiful.com/uploads/1/3/0/3/130324004/2970280.pdfIn PDF document text
    • http://mymorethan.com/uploads/1/3/0/5/130551920/fbafedc6.pdfIn PDF document text
    • http://www.robinfrances.com/uploads/1/3/0/6/130639632/7550685.pdfIn PDF document text
    • http://yourblueprinttravel.voyagerwebsites.com/uploads/1/3/0/6/130621703/130621703.html#archive+email+folder+outlook+2013In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F36 7516 bytes
SHA-256: a453be00d6bca32d421fa8f7393db9bd515cffe65864e2a78d99e915d45b36c1