Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c8f3536e6d36e5e…

MALICIOUS

PDF

48.0 KB Created: 2021-06-20 20:35:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 60296c0ef03ac1a03362703be34040da SHA-1: db4cdbe70d9d29e34ed935030f943df4b02e0ce0 SHA-256: 0c8f3536e6d36e5e24c669db8751072c53acd8ac89ea383f15a1bb71e47103ab
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a link farm pointing to multiple compromised websites, likely intended to lure users into downloading malicious content such as an APK. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic further support the phishing and malicious download lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7042

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
  • 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.
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. 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://doanhnghiepvietnam.org/img_duhoc/files/posovirit.pdf In PDF document text
    • http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba46c5b34bf---pajuvaberokojejanan.pdfIn PDF document text
    • https://ethiquedevelopers.com/wp-content/plugins/super-forms/uploads/php/files/c1290592c9d641cde03a5fb48978bced/lulipoze.pdfIn PDF document text
    • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bc98a64c6cd---80319789041.pdfIn PDF document text
    • http://citra.cl/userfiles/file/42111040801.pdfIn PDF document text
    • https://ctsgroups.asia/images/file/23334375627.pdfIn PDF document text
    • http://vietxetai.com/wp-content/plugins/super-forms/uploads/php/files/g4mmv2fbfekjbh91g2dg1seb1q/17178555953.pdfIn PDF document text
    • http://mimarkamilozkartal.com/userfiles/files/58691165405.pdfIn PDF document text
    • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/d4baa28af8dcbd11de8f71576b1cfd0d/ximedexenuvulofujupan.pdfIn PDF document text
    • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a6a8a2487e---wotojovetebuvivekaf.pdfIn PDF document text
    • http://smithsgame.com/calisma2/files/uploads/24944256276.pdfIn PDF document text
    • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1f9050e8c---tevejerewodijivox.pdfIn PDF document text
    • http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2aa9598606---jagapukidopepiwekubomujiv.pdfIn PDF document text
    • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ab7296286a8---gasevokigiroke.pdfIn PDF document text
    • http://ridendo.cz/files/file/nurofixipumijiforu.pdfIn PDF document text
    • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080ccbb0ce0c---60999582807.pdfIn PDF document text
    • https://nikoljski.com/ckfinder/userfiles/files/99700608533.pdfIn PDF document text
    • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16073d370e49e4---67010190114.pdfIn PDF document text
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=dumpster+apk+gratisPDF link annotation

Open this report in the interactive analyzer, or submit your own file for analysis.