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 CMS upload directories or disposable hosting, suggesting a phishing or spam campaign. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://etonbio.com/newsLetters/images/file/titomijidejavigidazatefiw.pdf
- https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160851b61d4c2e---97226951670.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/om2kengvcan26eevfu9fmjb6rf/66769620173.pdf
- http://donaldbermanmaimonidesgolf2021.com/clients/0/0d/0d43fbb8ff91cab41fa1b056c0d912a9/File/67109020288.pdf
- http://www.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16084f7b06f16e---fubesovu.pdf
- http://vodnik48.ru/content/file/78402971260.pdf
- https://shevtsov-art.com/uploads/files/magedimenujegudibuduwoxo.pdf
- https://biblioteka-koneck.pl/ckfinder/userfiles/files/29923641382.pdf
- https://larrialdiak.es/files/galeria/files/femosasewefugatubewup.pdf
- https://decoveinvestment.com/userfiles/file/jegote.pdf
- http://mhinflatable.com/upload/file/17362594402.pdf
- http://asremajazi.com/uploads/files/7371139108.pdf
- http://gmei.lt/ckfinder/userfiles/files/57030175122.pdf
- http://terezmisszio.eu/files/file/kisifaxikek.pdf
- https://canevastoilestjean.com/upload/editor/file/gabazas.pdf
- http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160981963da9fa---gixekisegololorunizovad.pdf
- http://waterlootour.com/FileData/ckfinder/files/20210812_B243D8302134AF0F.pdf
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609153e1d286e---32658516376.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/160973bd66abb3---96985814493.pdf
- http://korean-school.hu/hangul/userfiles/file/dadogejugoxajonudivuder.pdf
- http://streathamtaxi.com/survey/userfiles/files/suzefodivo.pdf
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d60d438c49---domonuv.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=wisdom+of+the+oracle+guide+book+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_off0000f168.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF168 | 16792 bytes |
font_01_sfnt_off0001097f.binb2e4e0bd0e0d8a3e9c841c251934e6c3a7f460cac7b14e8f0c71d9bda2dd7b79 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1097F | 11288 bytes |
font_02_sfnt_off00012397.bin5ebd068e01a836775474c43679c14097c39440ff2b6d8bceb7ef4fcf92d77ff4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12397 | 18168 bytes |
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