MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document functions as a link farm, directing users to download potentially malicious files disguised as academic papers. The URLs point to compromised WordPress sites and disposable hosting, indicating a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://pistant.ru/uplcv?utm_term=gate+previous+year+question+papers+with+solutions+for+eee+pdf+free+download
- http://timandlor.com/userfiles/file/fiwata.pdf
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081cdd9a4c8a---pozogasos.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/a3297f002cf9fec6f452d06aaa925a6b/29199144593.pdf
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/3ca6c84b2629ebc2cbe1e33bf5bad3ca/55255188385.pdf
- http://maihome.hu/admin1/file/jerejejajapenupewatomek.pdf
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607acc6970363---dolodibuzarejapip.pdf
- http://asesorgubernamental.com/images/file/19103612202.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609fc1741ec94---dojetup.pdf
- https://topinsolventa.ro/userfiles/file/doduvofixoliwi.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a7ecb07cc7---rajukalojebaregova.pdf
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/1c74d7b40d80089ad5a75fa0beef8ab7/kedatexevewig.pdf
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a789184c6ca---zaseg.pdf
- https://store-connector.com/_upload_bilder/_filemanager/file/20177967704.pdf
- http://richmediahouse.com/admin/uploads/file/40897262127.pdf
- http://srsheicha.com/uploadfile/file/kudabugoxevuzoju.pdf
- http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c620b43a0e0---nipuleluwufexutubomoxe.pdf
- http://aarogyamedico.com/userfiles/file/4559204912.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf01a834be2---kavomevidajinosix.pdf
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/8f781daba2180c6094215bb885a539c1/bonopa.pdf
- https://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/joxesa.pdf
- http://www.louthadventures.ie/wp-content/plugins/formcraft/file-upload/server/content/files/160a195506cdbd---44636276169.pdf
- http://stepasidemedical.com/images/uploads/file/3781354869.pdf
- http://srividyaastrology.com/userfiles/file/91321139147.pdf
- https://www.spreefahrten-berlin.de/wp-content/plugins/super-forms/uploads/php/files/bkthsdcvsv9jp68r3f8qp9g37q/jujosowobikuwor.pdf
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/444228839792ecddc57f18ca36d173f0/wiratanabidegew.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f058.bin7f3296afacc8f885fba037ee944a1be4735b741175f4c6f394642747499fecfd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF058 | 17576 bytes |
font_01_sfnt_off00011ec1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EC1 | 16792 bytes |
font_02_sfnt_off000136d8.binb29c5d291c081822d285ef6ffdcbd511f4c18b8fa37e85dae050bfed50a025af |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136D8 | 11144 bytes |
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