MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous embedded URLs, many pointing to compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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://allytemp.ru/uplcv?utm_term=delete+calls+on+android PDF link annotation
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/mobogebuvuxajapowobagiso.pdfIn PDF document text
- http://xboxheerlen.nl/userfiles/file/78947289196.pdfIn PDF document text
- http://www.kizkulesikizogrenciyurdu.com/public/ckfinderuploads/files/70036241592.pdfIn PDF document text
- http://fueandhair.com/userfiles/files/59256105959.pdfIn PDF document text
- http://moriefrusca.com/userfiles/files/novovulujenabaxevuwonej.pdfIn PDF document text
- https://designmaster.in/scgtest/eec-new/codelibrary/ckeditor/ckfinder/userfiles/files/gufovevofuzuxesedo.pdfIn PDF document text
- http://sity-luxe.ru/userfiles/file/rizipotebolenisunub.pdfIn PDF document text
- http://cmsrecuperocrediti.it/images/file/10418104425.pdfIn PDF document text
- https://rinducm1.com/contents/files/47122404376.pdfIn PDF document text
- https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/01bdfccc4bdbabbcd2732957ffd31712/24360533490.pdfIn PDF document text
- http://xindeshiye.com/uploadfile/file///2021091415232630.pdfIn PDF document text
- http://france-ex.com/images/blog/file/darivijofewapilag.pdfIn PDF document text
- https://termofriz.rs/files/45853492238.pdfIn PDF document text
- http://thriftstorewebsites.net/flash/thriftstorewebsites.net/file/gatamupasifefeno.pdfIn PDF document text
- http://wjvanderheidedienstverlening.nl/uploads/file/94999542167.pdfIn PDF document text
- https://travelworld.ro/userfiles/file/fapofok.pdfIn PDF document text
- https://lordoptika.hu/files/files/93807210399.pdfIn PDF document text
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161367eff1f303---77182976569.pdfIn PDF document text
- https://chongtham68.com/app/webroot/uploads/files/xuzedizuziti.pdfIn PDF document text
- https://eltdb.com/UserFiles/files/wipalolirarilugorawa.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613519dd84b35---9894789356.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_off0000d06e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD06E | 18272 bytes |
SHA-256: 1833690dcc5907d83daf0875378323313928a5dfacc458ff01e4970b782c4798 |
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font_01_sfnt_off0000ffcd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFCD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000117e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E4 | 10364 bytes |
SHA-256: 2a606fdcb8c58fdd4eaa7f327993675d2a1a809397780a06fac36d3319ed4493 |
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