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 hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URLs and the structure of the PDF point towards a phishing or malware distribution campaign.
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://wastran.ru/uplcv?utm_term=crazy+little+thing+called+love+piano+pdf PDF link annotation
- http://dekoblickfang.de/userfiles/file/vubigemunevovovi.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081770c3cbba---nipiba.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160add68571200---duwepuzaladusozifike.pdfIn PDF document text
- http://am-assets.com/aom/magnolia/userfiles/file/30685502794.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a782c66158e---jimixubunabaxoxow.pdfIn PDF document text
- http://rauvuonsach.com/images/uploads/files/vavipuxovunu.pdfIn PDF document text
- https://sinhadventure.com/uploads/file/67665487931.pdfIn PDF document text
- http://vietthanhstone.com/images/news/file/vibeluxadukogaxokazibajir.pdfIn PDF document text
- https://ctapigroup3.com/contents//files/jonufutomagofebizid.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/maruxemimufuwojegekav.pdfIn PDF document text
- https://home-consult.lu/userfiles/files/27861055857.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9f206d500---21137856695.pdfIn PDF document text
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/548e9702d21251fbba7dbd324059db56/95643272068.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160854f0923507---87060774923.pdfIn PDF document text
- https://useoneconvo.com/wp-content/plugins/super-forms/uploads/php/files/89eb47d210c17b323e3c75877340b4e4/9138763816.pdfIn PDF document text
- https://acrgroup.nl/userfiles/file/56413372136.pdfIn PDF document text
- http://circuitoinsulargc.com/documentos/file/37250796650.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d90316d1c---gusalarodalukatuxi.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_off000106c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106C5 | 5356 bytes |
SHA-256: afd3f97bc8fc6d56742409610e987aea08e7f6501db832e736a1942791682b2c |
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font_01_sfnt_off0001190c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1190C | 10856 bytes |
SHA-256: 5969abc8ba2a37a63b975679fa162154144848e0276806c135736c429354c4ba |
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