Malicious PDF — malware analysis report

Static analysis result for SHA-256 a7d3dffa9a4c8e03…

MALICIOUS

PDF

39.7 KB Authoring application: Mobipocket Creator
MD5: b765177d8cf0612105f2ef0654e7ed2b SHA-1: 45312349c81d5bf505843e70df1dc5aad8d46683 SHA-256: a7d3dffa9a4c8e03c6f10e49defa6466a38b133b6c3ef453aa4f30e446ac6e72
136 Risk Score

Malware Insights

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

The PDF contains embedded JavaScript and a large number of external PDF links, indicative of a link farm or redirection strategy. The ClamAV detection 'Pdf.Phishing.TtraffRobotInstall-7605656-0' and the presence of a call-to-action phrase strongly suggest a phishing or malicious download attempt. The embedded JavaScript likely facilitates the redirection or download of further malicious content.

Heuristics 5

  • 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 JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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 https://kopagozuz.weebly.com/uploads/1/3/0/3/130323453/0793d2fddd.pdf
    • http://mounthorebareaedc.weebly.com/uploads/1/3/0/5/130588475/4095082.pdf
    • http://fivam.remont-turbin-orenburg.ru/uploads/2020/01/29/2241962.pdf
    • http://whiterockmedical.com/uploads/1/3/0/5/130588477/xaxegirazenajal.pdf
    • http://kellyhogannd.com/uploads/1/3/0/6/130604494/luvosinirubafuroz.pdf
    • http://ridawutij.audiostart53.icu/uploads/2020/01/27/794160256ea8e.pdf
    • http://zuzikades.sistemasmontados.com/uploads/2020/01/28/ditosibakanig-beforezud-fobotasi.pdf
    • http://armydarkshadows.net/uploads/1/3/0/5/130541221/3244b757f8ec.pdf
    • http://doulakaribirthservices.com/uploads/1/3/0/6/130604024/2709051.pdf
    • http://rafalune.chama.site/uploads/2020/01/27/romop.pdf
    • http://theexpertdoc.com/uploads/1/3/0/3/130379429/3ee0e3cc7.pdf
    • http://nanitokon.vkbonus.fun/uploads/2020/01/29/veredibokefi.pdf
    • http://chaosriddler.com/uploads/1/3/0/3/130323141/loxefivekob-wevemutirar-fuxiv-vuwutogufopar.pdf
    • https://nafilatotagib.weebly.com/uploads/1/3/0/5/130539599/7130904.pdf
    • http://fisa.lulacrib.com/uploads/2020/01/27/2e737180535daeb.pdf
    • http://suxuku.mirpruzhin.com/uploads/2020/01/27/603272.pdf
    • http://ryanjalls.com/uploads/1/3/0/5/130545241/morir-lesafaxaxixurok-gakinaxojosiwo.pdf
    • http://miguelchanonafotografo.com/uploads/1/3/0/4/130436162/130436162.html#mixcraft+6+free++full+version+crack

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00001567.bin
3301eaeefd610f36fd3382a50abb1574caf383f41a5fe4c31ec3b622a10b53ce		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1567 8528 bytes

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