MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically indicates the document's purpose is to host a large number of links on potentially untrustworthy domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://inwebjor.ru/uplcv?utm_term=coraline+pdf+full+book PDF link annotation
- http://anapro.com/ckfinder/userfiles/files/59570549446.pdfIn PDF document text
- http://artio.pl/files/files/51751253535.pdfIn PDF document text
- https://fallahi-sch.com/userfiles/file/sapaxemeg.pdfIn PDF document text
- https://dienmayminhchau.vn/uploads/news_file/42591803960.pdfIn PDF document text
- https://edubox.mn/uploads/users/0/files/16172641974.pdfIn PDF document text
- http://sysquare.com/UserFiles/files/geturiloxumugevevabibu.pdfIn PDF document text
- http://silarperu.com/UserFiles/file/12289330446.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16136e62f941e4---xobizu.pdfIn PDF document text
- http://konberdbio.com/upload/files/29867268197.pdfIn PDF document text
- https://gesema.com/UserFiles/file/vuretebukabumawujo.pdfIn PDF document text
- http://minhphucvietnam.com/uploads/userfiles/file/megubobizukidobe.pdfIn PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/13104622557.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161362b496ae77---setipavoxilexefeseda.pdfIn PDF document text
- https://www.ksmt.edu.np/assets/ckfinder/userfiles/files/63394461794.pdfIn PDF document text
- https://t2sc.me/userfiles/4521958183.pdfIn PDF document text
- http://uzks.hr/upload/datoteke/werupizulonogawawafe.pdfIn PDF document text
- https://maychieuvinh.vn/upload/files/jovilalivoxe.pdfIn PDF document text
- https://nslogisticservice.com/userfiles/files/73902679445.pdfIn PDF document text
- https://parvazyab.com/basefile/api203/files/72489320611.pdfIn PDF document text
- http://zsdbiopharm.com/upload/files/xezodefuzom.pdfIn PDF document text
- http://solemarservizi.it/userfiles/files/93721855305.pdfIn PDF document text
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/161357a3f3e4a4---xezoxevapibirafun.pdfIn PDF document text
- https://tauthuy.vn/upload/files/53124654302.pdfIn 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f97d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF97D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001118f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1118F | 18580 bytes |
SHA-256: 040892352741d7e0f174aa4943157dbf3da06200aea46d710946531a4a4ae492 |
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font_02_sfnt_off000141c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141C6 | 10588 bytes |
SHA-256: e948e89938676080630ac3d1ab3e1a80b76a2d32976e2a1dce5ae09df8cad120 |
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