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 embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://www.yoko-ono.be/images/userfiles/file/45615362377.pdf In PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/d40ab80b797891d09f1d6699e8d8fb04/65350838809.pdfIn PDF document text
- https://riolospettacoli.it/filesUploads/file/53570418621.pdfIn PDF document text
- http://www.vikingmaterials.com/img/61571970196.pdfIn PDF document text
- https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606f2a908fac1---29959077208.pdfIn PDF document text
- https://agermag.ro/mm/file/sesafifoxumojamefi.pdfIn PDF document text
- http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cfe1bea6454---81583240334.pdfIn PDF document text
- https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607218e9d4277---67140073811.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/c166f0ce13d01e9a6f642ffba2be39f5/popafomitazepokezu.pdfIn PDF document text
- http://www.elitagida.com.tr/wp-content/plugins/super-forms/uploads/php/files/4mplejv9eqq732g5h31b3g1533/23395108330.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a27ec834cf---26861591857.pdfIn PDF document text
- https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/26c8c900e313b1643602cbe9fb911af7/52495461940.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/413f9a7dc18c345d38fe7f0826b9c152/robeduveb.pdfIn PDF document text
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/ab2dd20ccc7acd5da1133a182688bf14/58291167485.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/fadafff3feffc39340b5eb9f492a3aba/32555146122.pdfIn PDF document text
- https://folklorebridge.eu/uploads/pictures/files/mejafij.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/13b066a6b3fc5d3469783346f9ed14ea/74857261434.pdfIn PDF document text
- http://sbsinternationalschool.org/sbsisnew/userfiles/file/36313790783.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/ff2713dcaa211e46a9acad4a00c50494/nabimabevafagerubukevuf.pdfIn PDF document text
- http://aj-logistics.com/stock/userfiles/file/kakataguwegi.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/e9ba98dae7695e2bf9fdb0781ce32647/21021438140.pdfIn PDF document text
- https://windsbs.biz/files/file/85747612813.pdfIn PDF document text
- http://guojingmall.com/userfiles/file///76375215166.pdfIn PDF document text
- http://getem.plfiles/file/sewexikojukiwok.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/5cdd114e2dd6189ffce2fefceef38f3e/xogavipitax.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bc0d8e9df1---61133330670.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=green+snot+in+the+morningPDF 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_off0000fdb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDB5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000115cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CC | 10384 bytes |
SHA-256: 88ca4d66f1abb6e627723ae34f5f32a9c35e8a8f2a1d1d10a84e1ab6cffcf6d2 |
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font_02_sfnt_off00012d1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D1E | 16596 bytes |
SHA-256: adaa7f5de73ed39b21ed3ba520d8eab2c4353488c3fc00e98832b6215a98efc4 |
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