Malicious PDF — malware analysis report

Static analysis result for SHA-256 ac077e7bb5f629bb…

MALICIOUS

PDF

37.2 KB Created: 2021-07-30 17:48:17 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: 6b7871dd299d1873f54a83401e058687 SHA-1: c0cd29c693a097a7a492a751ac169d081fce64e4 SHA-256: ac077e7bb5f629bbc099f31fa42d9070aefbbd2def3b431f6d3e9d8b1a28a1cb
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only document with an action trigger, typical of a phishing lure. It contains multiple links pointing to compromised WordPress upload directories, suggesting an attempt to host malicious content. ClamAV detection further supports its malicious nature, classifying it as Pdf.Phishing.Trojan.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3207

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 37 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
    PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://jxloanchien.com/style/postimage/file/61018997806.pdf In PDF document text
    • https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/gglqch1rmegsr1rpp10tpk2kf3/ponegitololuj.pdfIn PDF document text
    • https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/d038a9c7f1fbfee6fd93f72546b7b2f5/7911063473.pdfIn PDF document text
    • https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/75ihi0vntg9g26jascp215gl2e/rogojisumugufoximapi.pdfIn PDF document text
    • http://www.peretprod.ro/content-images/file/56718302441.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=como+descargar+super+mario+64+para+pc+windows+7PDF link annotation

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