MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate maliciousness. The PDF contains numerous links to external websites, many hosted on compromised CMS uploads or disposable domains, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a phishing or malware distribution attempt.
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 http://domeinbeverdonk.be/assets/files/file/16813808915.pdf In PDF document text
- http://nissanotogovap.vn/uploads/images/files/97249159517.pdfIn PDF document text
- https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/snoe51urp2t5h796b79s4qfdd1/buwawimapiravejajuwojopif.pdfIn PDF document text
- https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/c52d0bc13cdef0a0854e616c0d940401/23814762381.pdfIn PDF document text
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad32ec30ded---65987104410.pdfIn PDF document text
- http://gidaero.com/upload/fckeditor/file/firesolina.pdfIn PDF document text
- https://aulacvn.com/upload/fck/file/71806571801.pdfIn PDF document text
- https://www.dolphinrfid.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c777c1ec287---10740564377.pdfIn PDF document text
- http://cartonwrappingmachine.com/userfiles/file/20730515206.pdfIn PDF document text
- http://alkanboya.com/files/file///81923520452.pdfIn PDF document text
- http://bjhtdszdh.com/v15/Upload/file/20216241538118060.pdfIn PDF document text
- http://gdgom.com/upload/file/2107030042575753153tr5sk8xhsys.pdfIn PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/c2f80756cd8f8deddee81af12da305a6/17327188546.pdfIn PDF document text
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c9693dcb45d---31569842163.pdfIn PDF document text
- https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/ea88891b3ea6b374e8758806b713a51b/22870685926.pdfIn PDF document text
- http://quatang3t.com/upload/files/pavunomerini.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/e84679489eecd6badf35b1ccb66069d3/18239931238.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/ab4b23231cddcb3b5ef258f60a11de3e/dedan.pdfIn PDF document text
- https://burgas-remonti.com/userfiles/file/59267682342.pdfIn PDF document text
- http://www.aadhar-interior.com/userfiles/file/71211163325.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160756f36540c1---86754354330.pdfIn PDF document text
- http://tuttotop.com/userfiles/files/walenefutuzaja.pdfIn PDF document text
- https://iva-vietnam.com/userfiles/file/zafafabotitenalowux.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609abffd09c27---zefasetijatumaxun.pdfIn PDF document text
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/c3f9d97f406537b442dee0745d49b835/56336195110.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=primary+colors+worksheet+for+grade+1PDF 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_off0001028d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1028D | 11164 bytes |
SHA-256: ec4a186d8189167667d77d73bacde6a888b76aa251a1bcc83106ade2cd55abcf |
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font_01_sfnt_off00011c9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C9C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000134ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134AE | 17288 bytes |
SHA-256: bc2d97ea4e663d33937b8128aa507d3361e40a5ee8b8ecf05d3b7ab4499948d4 |
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