MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or are part of a link farm designed to redirect users. The ClamAV detection and ML classifier strongly indicate malicious intent, likely phishing or malware delivery. No scripts were extracted, but the structure suggests a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://medvor.ru/uplcv?utm_term=create+pdf+from+excel+data PDF link annotation
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/bolibodusaduluxidat.pdfIn PDF document text
- http://frangarcia.eu/upload/file/32395937252.pdfIn PDF document text
- https://phucatgarment.com.vn/ckfinder/userfiles/files/kugole.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16155a3a8a5169---47869975893.pdfIn PDF document text
- http://alt-1c.ru/userfiles/file/98113607886.pdfIn PDF document text
- https://www.bevillelecomte.com/ckfinder/userfiles/files/fodavasovilezatikete.pdfIn PDF document text
- http://sfipl.in/userfiles/file/48532888858.pdfIn PDF document text
- http://nanouklid.cz/upload/file/wuremerovolide.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/33022750515.pdfIn PDF document text
- http://savoie-outils-coupants.com/ckfinder/userfiles/files/wekit.pdfIn PDF document text
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/16142480279bb7---genotariza.pdfIn PDF document text
- http://co-mit.com/uploads/files/mupusefogarufevaziru.pdfIn PDF document text
- https://galaxytraining.examinationonline.com/files/ginelezos.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/c010e70280815083cac22768ea2448b9/61821549012.pdfIn PDF document text
- http://nkmate.com/FileData/ckfinder/files/20210906_4ADB19C949F94C8F.pdfIn PDF document text
- http://gocep.org/data/userfiles/files/fegibe.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/69303988953.pdfIn PDF document text
- http://lutechmed.com/Images_upload/files/49321208439.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/161338334b62d3---3608122791.pdfIn PDF document text
- http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/75248602535.pdfIn PDF document text
- https://sharjahcements.com/images/bulk_images/files/92514518477.pdfIn PDF document text
- https://hoanghaie.com/Images_upload/files/lekupebokobewaloworuxo.pdfIn PDF document text
- http://shopgraeagle.com/ckeditor/uploads/files/rujuvuk.pdfIn PDF document text
- http://headrepublic.pl/images/files/85835214510.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090806450573499.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_off0000b090.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB090 | 10548 bytes |
SHA-256: 2ee8d51b2d9f4787f353fdc8d2e3d9a653e001e7ba325e0485dc4d670378d43c |
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font_01_sfnt_off0000c8ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8AE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C0 | 15604 bytes |
SHA-256: f99a7c848b3e5132f9b1a290295d93d60d4ac59efec33597d470482a189dc709 |
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