MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous links, many pointing to compromised CMS uploads or disposable hosting, suggesting it functions as a link farm. The presence of embedded URLs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic further support this, indicating the document's purpose is to redirect users to potentially harmful external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9988
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://coluer.ir/documents/file/28755980240.pdf In PDF document text
- http://islandpointfl.com/userimages/52641770797.pdfIn PDF document text
- https://luyenthitoeic.info/userfiles/file/radipibitoje.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a63a283b191---35496893998.pdfIn PDF document text
- https://tumsad.org/img/editor/image/file/dudekagalalomuwij.pdfIn PDF document text
- http://limoride.net/gallery/file/93491817497.pdfIn PDF document text
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/8hvg2cfsn8ia4gnbmevuhd53b5/nagadowo.pdfIn PDF document text
- https://quaint-house.com/images/blog//file/13878672731.pdfIn PDF document text
- http://p-itos.net/admin/userfile/image/file/gusej.pdfIn PDF document text
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/0e05d4d91554eb9cea0f8b0dcea3fdc9/65743136584.pdfIn PDF document text
- https://vidaleve.ind.br/ckfinder/userfiles/files/89821876525.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/5d4d06cb9355c41865446894932c146c/13077332164.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a88e59c4b18---81886213650.pdfIn PDF document text
- http://prabashproperties.com/ckfinder/userfiles/files/pabixekiremevepidubokowu.pdfIn PDF document text
- https://studiovizia.com/webroot/img/content/files/98235412062.pdfIn PDF document text
- https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/57348900244.pdfIn PDF document text
- http://3qlohas.com/CKEdit/upload/files/nuwal.pdfIn PDF document text
- https://bandotrading.it/uploads/file/xubowesinamaxikagexil.pdfIn PDF document text
- https://homecareangels.ca/files/files/files/61690322671.pdfIn PDF document text
- http://componentcnc.hu/uploads/ckfinder/userfiles/files/zabonigafela.pdfIn PDF document text
- http://marta-galan.com/files/varios/file/16300169073.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/73t421cck9n0d3ni4juilssfc3/zejafadixiru.pdfIn PDF document text
- http://hosungtour.com/FileData/ckfinder/files/20210623_C05A688B372774CF.pdfIn PDF document text
- http://xnkvinatimex.com/uploads/files/vudizovexigeva.pdfIn PDF document text
- http://megaeventoa100.com/clients/f/fa/fa03970f5feff24be7017758158681b9/File/nekorukanox.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+reset+a+jeep+radioPDF link annotation
- 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_off0000d3a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3A0 | 16044 bytes |
SHA-256: 349fca34559643e91769ad3b792e30091562371936db3f68a71276f40f40b045 |
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font_01_sfnt_off0000fced.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011504.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11504 | 10444 bytes |
SHA-256: bc965272852da8846fc6d7eecc08ac83369bcc91ea59e2a145e663b91bab1629 |
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