Malicious PDF — malware analysis report

Static analysis result for SHA-256 1c82fa7ff3bbcdb4…

MALICIOUS

PDF

43.4 KB Authoring application: pdf-parser
MD5: 781049cc0658c3e8b014b095336df84d SHA-1: 0b858dc7567364fb065f914fbfcaf936e747cdf1 SHA-256: 1c82fa7ff3bbcdb4cf9e0e933b96209737401a57bdc6d28464d0c7d0c1b0775d
120 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious websites. The ClamAV detection as 'Pdf.Phishing.TtraffRobotInstall-7605656-0' further supports a phishing or traffic redirection intent. 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://ramonmaciamusica.com/uploads/1/3/0/5/130589014/xazer_makatexovel.pdf
    • http://www.my1wishfuldream.com/uploads/1/3/0/3/130323209/saketunejuw_bopebepu_sobezaleda.pdf
    • http://bhpcd.org/uploads/1/3/0/7/130775760/texevuputonezaj-zetimukelufof-naranev-zadidipovijova.pdf
    • http://qsdecks.com/uploads/1/3/0/6/130639201/mizuru.pdf
    • http://blinkboxonline.com/uploads/1/3/0/5/130551166/lenesagaduxokudij.pdf
    • http://morgenlands.com/uploads/1/3/0/6/130604109/49be5fb41025e72.pdf
    • http://hurstwoodclinic.com/uploads/1/3/0/5/130548039/wisin_vapazedovugobad.pdf
    • http://hostmaster.tiptopcouriers.co.uk/uploads/1/3/0/7/130776646/f8cba0.pdf
    • http://msmailadministrator.net/uploads/1/3/0/2/130291676/7250649.pdf
    • http://aromacaferestaurant.com/uploads/1/3/0/6/130621782/4790674.pdf
    • http://racheltaylormua.com/uploads/1/3/0/6/130621178/9671641.pdf
    • http://yustispizzapasta.site/uploads/1/3/0/7/130738631/noletaximev-dawowaxewoki.pdf
    • http://www.sitemove558.com/uploads/1/3/0/7/130739450/silapekobonu.pdf
    • http://www.megaworldz.com/uploads/1/3/0/8/130814382/lazud-jogorudetuliz-vaxumaborofovej-vawodujaf.pdf
    • http://mountainsbythesea.com.au/uploads/1/3/0/6/130622089/wevoxefatep.pdf
    • http://schoolnotesmagazine.org/uploads/1/3/0/6/130605351/pulufe.pdf
    • http://mydmdesign.com/uploads/1/3/0/6/130604150/nejefegafigoveloduw.pdf
    • http://drroddysuos.com/uploads/1/3/0/4/130436147/zagakas_xesavovisotap_lovexuzipikofa_dofagafuje.pdf
    • http://iloveharvest.com/uploads/1/3/0/7/130740224/1180557.pdf
    • http://www.kingtai-tw.com/uploads/1/3/0/2/130289433/kebenijenirido.pdf
    • http://swaymyheart.com/uploads/1/3/0/3/130313170/tutiro.pdf
    • http://ki5fao.com/uploads/1/3/0/6/130603926/gezuxixagijomowox.pdf
    • http://backandbarberingstudio.ca/uploads/1/3/0/7/130740082/ponavetal.pdf
    • http://832.bpmtc.com/uploads/1/3/0/8/130814900/130814900.html#diabetic+ketoacidosis+australian+guidelines
    • http://hostmaster.tiptopcouriers.co.uk/upload

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003aae.bin
9c441396c78fcec381b139909df8eae4e3e4b3b77c9f9e3b7c3f2073b33ed4b0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3AAE 2616 bytes
font_01_sfnt_off00004686.bin
4cb0db956794018b63d645c7811c7e6a9478ac50d3445d424d77add04f4b81dd		 pdf-font-stream PDF embedded font (sfnt) at offset 0x4686 8440 bytes

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