Malicious PDF — malware analysis report

Static analysis result for SHA-256 49e03d96038e6d03…

MALICIOUS

PDF

95.7 KB Created: 2021-05-11 12:26:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-25
MD5: c0db7ee384750cb7caf063200f4d003d SHA-1: 51b1c4799b90a6cb5170256d2432bb00274568c3 SHA-256: 49e03d96038e6d034fa973276edee89f2097bd195b0423440f7600388c83caac
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF file contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to distribute malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware delivery. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7115

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://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/8924de8f3441bc5d5c4b5dd338ae25bb/bebimaluf.pdf In PDF document text
    • https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/50e5458d31ca0e7b6d98d0bfc62a7e5b/30634258940.pdfIn PDF document text
    • http://tradeweb.es/userfiles/file/wujipanubefawalefij.pdfIn PDF document text
    • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607eb051611dc---lekipelavometafosijiwefu.pdfIn PDF document text
    • http://ajtoablakcentrum.com/_user/file/50116137975.pdfIn PDF document text
    • https://www.chesapeake-lighting.com/wp-content/plugins/super-forms/uploads/php/files/4feff75adfd9cdb6538e4ebacfb8beb9/busugi.pdfIn PDF document text
    • http://ahlhy.com/uploads/file/280326225104.pdfIn PDF document text
    • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/6105fdf67e00fa219319013f0c2750ae/72193156161.pdfIn PDF document text
    • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad3d524fbc---vekubomapaketi.pdfIn PDF document text
    • http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b4d730201390ef4af8188489a599bb85/86164548705.pdfIn PDF document text
    • http://afgventuregroup.com/cfiles/file/15535318909.pdfIn PDF document text
    • https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/702fe670ee71d9bf781862a2b9790bbb/29254872334.pdfIn PDF document text
    • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/9ikb28ev9j9r3acka7pe1i18nl/10499076088.pdfIn PDF document text
    • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607dba9498901---48342454798.pdfIn PDF document text
    • https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/42heqki85u6kis5u7jis4gpqk3/95926731361.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=mcpe+galacticraft+modPDF link annotation

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