MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV. It functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and other disposable hosting. The primary purpose appears to be directing users to potentially malicious content or phishing sites, leveraging a compromised CMS upload mechanism.
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 https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/ogsjnvrp4bg08khq9j0rbgsuvo/92141488627.pdf In PDF document text
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/36628281102.pdfIn PDF document text
- http://geoodwierty.pl/files/file/jitunajedeb.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c08d25f02aa---tedakomajen.pdfIn PDF document text
- https://www.bocamvigliesrooms.com/wp-content/plugins/super-forms/uploads/php/files/717c2e78b51600d239512850f315dcd4/41904892409.pdfIn PDF document text
- https://tectrongim.com/uploads/files/xewadedo.pdfIn PDF document text
- http://wabasnb.com/files/fckeditor/file/207861809060a95b088a5e6.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bafed693178---76534745132.pdfIn PDF document text
- https://eatorhours.org/e-bussiness/fckimages/file/28532588515.pdfIn PDF document text
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/652079f792c8b6d7c7d726a65bddb52a/rupasazexotolefotigoripa.pdfIn PDF document text
- https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/23bef61dcca7f9e0dcf31d9a9e89afb6/sejulajok.pdfIn PDF document text
- http://rulada.by/upload/editor/files/polapupasaxi.pdfIn PDF document text
- http://svazekobciorlice.cz/userfiles/file/88433318165.pdfIn PDF document text
- https://nusantarabet4d1.com/contents//files/xafavepuvur.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/ea0fbdfeb2a192f463186f5dcd3542da/81031784865.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a081323070---86626335139.pdfIn PDF document text
- https://www.servicioscalibrados.com/wp-content/plugins/super-forms/uploads/php/files/b460a9d021227d01b520b9d8ccd7abf8/79742140634.pdfIn PDF document text
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a9869a5cdc0---dezurazuvexupabizugikotut.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16093cfd9bca09---rogikujobazapadisejide.pdfIn PDF document text
- https://xn--arbeitskndigungsrecht-best-5zc.de/userfiles/file/95922791840.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160b215e515a09---sesosizopovikepadapulerem.pdfIn PDF document text
- https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/34db3795ef822793848e8fd9d4aa1e4b/77688410065.pdfIn PDF document text
- http://grgct.com/ckfinder/userfiles/files/55399718535.pdfIn PDF document text
- http://mp-journal.com/media/file/bifezowelo.pdfIn PDF document text
- http://hb1004.com/userData/board/file/jutakutanomurogamo.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/je3kr9ln4gt1l9en4g70b1jb6e/81979694743.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=12+year+molars+coming+in+earlyPDF 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_off00010089.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10089 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001189b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1189B | 17116 bytes |
SHA-256: 9c963b00d4ff85477c0a092b9e9165220794eb2b88eaff45d6f8d31fa65b36fe |
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font_02_sfnt_off000144e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x144E5 | 10664 bytes |
SHA-256: c50a9cb91435e5a1bf21dd74e234aceac0d200062b6f451bc9754863fb6a016d |
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