Malicious PDF — malware analysis report

Static analysis result for SHA-256 00e8e8d5d2ab3e23…

MALICIOUS

PDF

40.3 KB Authoring application: pdf-parser
MD5: 4bd2e3d022f30310be16d75a5244f387 SHA-1: 25563d9f9b5eec551a9069f619a0b56128ff53ee SHA-256: 00e8e8d5d2ab3e23fdfc47ecc762dd76c6a4d349c55b9d67b4e17e01f9bc382a
160 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded URLs, forming a link farm, which is a common technique for phishing or distributing malware. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware distribution. The presence of a visual download button further supports the lure.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 4

  • 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
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://robiskincare.ca/uploads/1/3/0/2/130291536/c1a3343aa.pdf
    • http://vexirmx.com/uploads/1/3/0/2/130288798/kabizat-xusujipanem-pasilivevanomal.pdf
    • http://mycloudcourier.com/uploads/1/3/0/6/130621857/ae18f393018d7f.pdf
    • http://thinkingheadsglobal.com/uploads/1/3/0/8/130813860/057f35f.pdf
    • http://kotiidartat.site/uploads/1/3/0/4/130488669/rumupekawivu-junokonefeb-dimima-gimixaw.pdf
    • http://rafaeldiezvarela.com/uploads/1/3/0/3/130313564/kunamobege.pdf
    • http://dreaconti.com/uploads/1/3/0/6/130640097/jozetivot_molivemojul.pdf
    • http://nataliaestradaeditor.com/uploads/1/3/0/7/130775431/2460444.pdf
    • http://my911alerts.com/uploads/1/3/0/6/130621285/1345394.pdf
    • http://mrsdawson-classroom.com/uploads/1/3/0/3/130379111/pezixafol.pdf
    • http://alpha-deals.online/uploads/1/3/0/5/130588907/8454725.pdf
    • http://monarchmagic.com/uploads/1/3/0/5/130588650/1f3521.pdf
    • http://coasttocoastroofs.com/uploads/1/3/0/6/130603966/zilugisosalosifotaja.pdf
    • http://circoestodo.org/uploads/1/3/0/7/130739535/voful.pdf
    • http://www.futurologyonline.com/uploads/1/3/0/4/130435688/9291512.pdf
    • http://mmodoghouse.com/uploads/1/3/0/8/130814513/lisirunole.pdf
    • http://moisescastro.com/uploads/1/3/0/2/130272280/dobinugitamasul-gevuvuga.pdf
    • http://brainstemtumorlady.com/uploads/1/3/0/5/130588280/jujulapibe.pdf
    • http://opssecurityagency.com/uploads/1/3/0/6/130639949/130639949.html#change+input+type+file+style+css

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00003b3c.bin
cadce29e8bb225bec569a981c38d7a0cdfd736aa6c6dae0d063195072551d570		 pdf-font-stream PDF embedded font (sfnt) at offset 0x3B3C 9688 bytes

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