MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to potentially harmful content. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 http://eugensa.lt/app/webroot/uploads/userfiles/files/safavimirizofajitawibijav.pdf In PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b42f3613a25---377504827.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/cqlfrm3kp8s6t2ir576hgddenb/viziridoziganigujasusak.pdfIn PDF document text
- http://cnokorea.com/userfiles/file/nunirowimugiwire.pdfIn PDF document text
- https://suma.ca/upload/editor/file/9678005032.pdfIn PDF document text
- https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/c2qjke82hqdjqgl27hrpjdvnsd/12333701133.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608412fd09b9a---15410858778.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/mogeleporikuli.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16072658a5cf9b---bowikopuka.pdfIn PDF document text
- http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/6eadc2869d260102b277ea5728e1b9de/nodukumi.pdfIn PDF document text
- https://eberli-medical-supply.ch/upload/file/29068837606.pdfIn PDF document text
- http://eg-connect.com/uploads/editorfiles/file///piguzawuniseko.pdfIn PDF document text
- http://yuha.be/_files/file/mitujatejukaseguzikiwin.pdfIn PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c70487ad080---44717659582.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16077bab68f6bb---fuzafapeta.pdfIn PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fab5f1a5626---51361458383.pdfIn PDF document text
- https://vico-inmobiliaria.com/ckfinder/userfiles/files/semedevimutoralobige.pdfIn PDF document text
- http://high-keenltd.com/userfiles/file/kupaxewubejebiduzaren.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bacfbb284a9---xedodod.pdfIn PDF document text
- http://rgn2u.com/userfiles/files/ruzitetepu.pdfIn PDF document text
- https://investir-petroleo.pt/ckfinder/userfiles/files/29384798161.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/1046e89ac1562d050769604d3efd692d/18288044687.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c5283fb4d8d---45679480165.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/8c1f00e43741e5b69b0a6d492134e739/dujidenosenetalovel.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=los+transgenicos+pdfPDF 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_off0000b616.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB616 | 15252 bytes |
SHA-256: dd63c55f64f15b0e5253e42058afc8e77866c3e85ec628ff131a497753b6c4b0 |
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font_01_sfnt_off0000dc13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC13 | 10708 bytes |
SHA-256: db68631e07ccd2db894d0586aaebda84e935b693f1a7f39ba9a4e0f4ecefc033 |
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font_02_sfnt_off0000f497.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF497 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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