Malicious PDF — malware analysis report

Static analysis result for SHA-256 682e49f7f710e9fe…

MALICIOUS

PDF

47.8 KB Created: 2021-09-04 21:50:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 08f75cfa8f857606cc02415a585a9ff1 SHA-1: 1fda5d3cc65ab3e58e13328e6f365b009329566b SHA-256: 682e49f7f710e9fe4e0c20d25bbbeb0c3f81c0f2cf5e4c9127407608ba06a75e
154 Risk Score

Malware Insights

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

This PDF file was detected as malicious by ClamAV and flagged by an ML classifier. It contains a link farm pointing to multiple compromised CMS upload locations and disposable hosting, suggesting an attempt to distribute malicious content or conduct phishing. The primary purpose appears to be directing users to external, potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5083

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://pepinieramontana.ro/ckfinder/userfiles/files/88163683013.pdf In PDF document text
    • https://harshahometutors.com/uniformkontakt/userfiles/image/files/44647535963.pdfIn PDF document text
    • http://brmxn.com/userfiles/file/20210727191708_azgt0j.pdfIn PDF document text
    • http://normel.org/files/upload/file/49938635277.pdfIn PDF document text
    • https://prsnashville.com/wp-content/plugins/super-forms/uploads/php/files/2051f3cf23003abf0fe53d98aa1f8d69/34946247539.pdfIn PDF document text
    • https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/160870b9484c31---towidemisavoj.pdfIn PDF document text
    • http://colafranceschi.it/userfiles/files/42339173381.pdfIn PDF document text
    • http://esipro.lu/userfiles/file/36257889063.pdfIn PDF document text
    • https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d81eec41a06---xikomituvilobagonunisumo.pdfIn PDF document text
    • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c385702e045---wubaxukedikubusegamubovi.pdfIn PDF document text
    • http://pvsystreports.com/wp-content/plugins/super-forms/uploads/php/files/019rqjj3bce81cusfk9r7fb9i0/13407852283.pdfIn PDF document text
    • http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/21657713539.pdfIn PDF document text
    • https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/4qcmchp8injmmb0nrdb548o0f8/60161868136.pdfIn PDF document text
    • https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/55105130386.pdfIn PDF document text
    • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f24e1c558dc---bimowaxogamexor.pdfIn PDF document text
    • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/62df7012c2d79ef96106eabcd853dcc6/19066587432.pdfIn PDF document text
    • https://tese.in/ckfinder/userfiles/files/modutosokikoninivodo.pdfIn PDF document text
    • http://geo-equipe.it/userfiles/files/81439250174.pdfIn PDF document text
    • http://zonweringbelgie.eu/ckfinder/userfiles/files/37576678803.pdfIn PDF document text
    • https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/cf6ee286c5bd0a4b3e20acc90ac97ab6/81265684837.pdfIn PDF document text
    • http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608bb3d21725e---70572224105.pdfIn PDF document text
    • http://mawaevents.com/uploads/file/betusiximisigar.pdfIn PDF document text
    • https://sthouseluxury.com/upload/files/73136986166.pdfIn PDF document text
    • https://queensflower.nl/clientfiles/kidav.pdfIn PDF document text
    • http://108homed.com/userfiles/files/jufemoxegol.pdfIn PDF document text
    • http://1utilaje.ro/mm/file/zuxovasuvofuvenupelurile.pdfIn PDF document text
    • http://qlinairnv.be/userfiles/file/noxiwajibobubexizer.pdfIn PDF document text
    • https://avigailpekelman.com/sites/default/files/file/28855543030.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=apostrophe+show+possession+worksheetPDF link annotation

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