MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to compromised WordPress sites hosting PDF files. This suggests the document is designed as a link farm to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9924
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9f7ce0e7de---52419318147.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/761ef658d4f76223315e2f91fe803642/24427671394.pdf
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a45432be220---tipokikuzoxo.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/hiqsmejhsg3v8gag138m4f8lih/93740228729.pdf
- https://sitpchemcieszyn.pl/_sitpchem/file/wewisefe.pdf
- http://caudafotografia.com/userfiles/files/penopegetut.pdf
- https://hoakhanh.vn/uploads/image/files/wuwetitedote.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160749002e9845---giposovepefikifozefom.pdf
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/3ad017025cd5f07c7c91930abe09250a/kanawogabojadafo.pdf
- https://alternatifhosting.com/calisma2/files/uploads/55021660162.pdf
- http://anhuicrew.com/upload_fck/file/2021-4-30/20210430233145346519.pdf
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/689248484.pdf
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/35c7e221836a451fb7bcba4cd7164206/mixopazesaxalesazijapazof.pdf
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16088720106b15---porezasulu.pdf
- http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a6f465c4fca---fitixumivonakijibupo.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609300cbea014---4361261840.pdf
- https://actor-conseil.com/files/file/8420483179.pdf
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/160b08954d991e---rokekusumivuzun.pdf
- https://bizdrive.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160d3951834987---93949223272.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/8u7g3ro39s0tc39rbjt1i0fi05/gafivutenug.pdf
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/739dd63a7fbcdb655d9d76f3e8354b09/59357075650.pdf
- https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/u7havgs3vd98hn0sfa4esl0rga/marorinixenasuguxibubudu.pdf
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/qqqmtvr6fj7auqp1jm4jvqd32o/22653463454.pdf
- http://tsrmmessina.it/userfiles/files/wopakajimupedalulibelepo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=tyler+the+creator+you+remind+me+of+my+bimmer
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f92e.bin355afb2c38e4ac5d21105e524e03a7ea39547c4105f8aba00c1182b4b38a1d5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF92E | 10888 bytes |
font_01_sfnt_off00011231.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11231 | 16792 bytes |
font_02_sfnt_off00012a3e.bin6df00093d1a1fd8b8f95901b42ba2863538c90606311dd4adf1993a433792d13 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A3E | 1692 bytes |
font_03_sfnt_off00013242.bin634dbfb23057cdb90b3351e5675c0c788eeac7b4050aed8be912117e0dd76b1d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13242 | 18012 bytes |
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