Malicious PDF — malware analysis report

Static analysis result for SHA-256 f42510b1546e64d9…

MALICIOUS

PDF

38.0 KB Authoring application: QPDF
MD5: 5d6bad9d520c0ad2e8fdb5925c1425c6 SHA-1: 1a686d19724a1daeaef35610512bdc306bfaab8b SHA-256: f42510b1546e64d959e24f65272525cef4fda277bbe814aa3edbd9779640303b
120 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links pointing to external PDF files hosted on various domains. This behavior is indicative of a link farm or redirection scheme, commonly used in phishing or malware distribution campaigns. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports the phishing classification. No scripts were extracted from this sample, limiting the analysis of direct payload execution.

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://enchantmentaesthetics.com/uploads/1/3/0/3/130313436/lopibivusuf.pdf
    • http://thehighlandparkgrille.com/uploads/1/3/0/8/130814967/1207979.pdf
    • http://nmheartfailuretreatment.org/uploads/1/3/0/7/130776824/fojasu_nosatevoxumo_xiruxubalu.pdf
    • http://cultafrica.org/uploads/1/3/0/6/130604402/3628434.pdf
    • http://minjukim.com/uploads/1/3/0/3/130323184/zizidigejuk.pdf
    • http://mymobilenotarypublic.com/uploads/1/3/0/2/130289466/lumapimew-nodiferex-vazajexe.pdf
    • http://theladsonline.com/uploads/1/3/0/8/130814285/vudexozazefa_ralofutudofawad.pdf
    • http://merosound.com/uploads/1/3/0/7/130739789/bigonunirifes.pdf
    • http://millionairesclub.biz/uploads/1/3/0/7/130739082/af49db5666d.pdf
    • http://dlyonsconstruction.com/uploads/1/3/0/7/130775108/5288695.pdf
    • http://www.actorheadshotphoto.com/uploads/1/3/0/6/130604693/wovapo.pdf
    • http://wellwellcreative.com/uploads/1/3/0/5/130546657/3217492.pdf
    • http://www.ikj-online-demo.com/uploads/1/3/0/6/130620792/dinalotefaf-mekaxizagupi-raditexofetaxo.pdf
    • http://naturalgasgarbagetrucks.net/uploads/1/3/0/5/130590229/gadenaboboda.pdf
    • http://quirkybev.com/uploads/1/3/0/5/130551049/7452926.pdf
    • http://startleaders.org/uploads/1/3/0/8/130813399/3071647.pdf
    • http://myknittingblog.com/uploads/1/3/0/2/130289796/ce8181eab3e6fc.pdf
    • http://gametavern.be/uploads/1/3/0/5/130588296/9b248dbb5.pdf
    • http://athletesbrain.com/uploads/1/3/0/6/130604685/bimebiwumurusab.pdf
    • http://katarinatuffvesonjensen.com/uploads/1/3/0/7/130775474/6636944.pdf
    • http://www.sa7ant.com/uploads/1/3/0/7/130740199/sedubelujifefulokol.pdf
    • http://consciousness-in-action.org/uploads/1/3/0/4/130483202/192c0bbecf3a.pdf
    • http://redesgesamx.com/uploads/1/3/0/6/130604716/pafilodiz.pdf
    • http://soapsbyserena.com/uploads/1/3/0/4/130478347/babarifodu.pdf
    • http://www.t-holmes.com/uploads/1/3/0/6/130639110/jidodosut.pdf
    • http://ry4wn.bpmtc.com/uploads/1/3/0/5/130547450/130547450.html#physical+therapy+for+knee+effusion
    • http://wellwellcreative.com/uploads/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000324b.bin
05be086257c9d47e20c20d1f7496ad6b2f9f766c0a4015f8f9305363494ec5c2		 pdf-font-stream PDF embedded font (sfnt) at offset 0x324B 7124 bytes

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