MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution attempt. The document body, though heavily obfuscated, contains text related to downloading 'kms tools portable office 2019', indicating a lure for pirated software which often bundles malware. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne 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://oniceh.ru/uplcv?utm_term=download+kms+tools+portable+office+2019 PDF link annotation
- http://rld-carbon.ru/file/kivazuzetekaveduzabaxuvug.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/d8392477b561e49502893dc1246e7916/lodovopepule.pdfIn PDF document text
- https://alutat.com/data/file/wemonozoruroromuled.pdfIn PDF document text
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/a5h0b7336jvak0upj09iomv001/jewuvuxiruxe.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/6qe4lqltphcro098a9v3c4i2d7/52501052980.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16074ac453bc12---10030728099.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/346bb9c3f7edd3c0de7dd89967b212df/xolikijezi.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/46ce9bf9d51f77835a26845c98fa6ed6/96036123355.pdfIn PDF document text
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/tt6r3277014pln4b7m5e022r83/86634189380.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16099749d3abda---14770576672.pdfIn PDF document text
- http://a-swiss.com/upload/userfiles/file/275215823.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c2735a299---pegogeboxokufopup.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa0bd2803ef---jifixugu.pdfIn PDF document text
- https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3157b0bc0f---gesofafedojugurebid.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb495988a9---sexakufoxag.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/88c10a1e7d82ed06eeb8176773c474cc/wefifesozelibuzowujozeg.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fb9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB9A | 6080 bytes |
SHA-256: fb44b0669e7acb36e04797cc7ded8b0aba477f897f87ef1c57a87341c9883370 |
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font_01_sfnt_off0001104b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1104B | 10984 bytes |
SHA-256: 760b414611e88cb37c8bdbd9bf67963eb48ec8f0e8313231926beed7ed168fea |
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