MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning model indicated a high probability of maliciousness. The heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress upload directories and disposable hosting sites. These links likely serve as a distribution point for phishing content or further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9662
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.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4beac394ff---35196772204.pdf In PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b301351fef---53048337756.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609852a1de0eb---gikaziva.pdfIn PDF document text
- https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a026c23de16---vesuguditolimo.pdfIn PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/f9e958376187597d03ff1fb7ff275137/vofabuvub.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/gqqafuru3tnlj3jebnbnh7uqq1/togizedirapowixeret.pdfIn PDF document text
- http://drapa-technika.cz/UserFiles/File/83800284255.pdfIn PDF document text
- http://vistobrasil.net/uploads/file/sexemawojafenovawutubapij.pdfIn PDF document text
- https://parklanehotel.asia/userfiles/file/mabizivirunebobedafalaxer.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad896328ee9---sozabivuwesevugunipa.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/0b295fa414e2e7f0a871f2a191f0a817/rexisepulosefadiko.pdfIn PDF document text
- http://www.amedna.com/userfiles/files/69182671344.pdfIn PDF document text
- https://www.waterlooarmsnewforest.co.uk/wp-content/plugins/super-forms/uploads/php/files/3f1381292ffa1ef67391475bacdb77b0/zudugig.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098055272787---temaz.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160abf8db55097---rodika.pdfIn PDF document text
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e0bdb00229---83958648343.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/oij9mjl9u7gpdclol5a2mm94fh/55968556266.pdfIn PDF document text
- http://otelm4b.ru/admin/ckfinder/userfiles/files/23272426272.pdfIn PDF document text
- http://splogservice.ru/content/file/99225160058.pdfIn PDF document text
- http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/67631043730.pdfIn PDF document text
- http://sdds.be/userfiles/file/42829064500.pdfIn PDF document text
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/dvbecq01tpnbn14uns83hn42o1/wadiwirabejowezezebe.pdfIn PDF document text
- http://momsystem.ru/public/file/pikedube.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16094656743d07---14764071589.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/2a005aaa275197e3aad7650ce4816d8c/68690749771.pdfIn PDF document text
- http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d63ca83aa0c---kagisonikepoz.pdfIn PDF document text
- http://dabaizhongxue.com/upload_fck/file/2021-5-12/20210512143601701353.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=natural+log+and+exponentialPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000150ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150AE | 10580 bytes |
SHA-256: 12b66547c2528dc1a2d44d816d06e067d95790557481280ecc5e7224f903604a |
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font_01_sfnt_off000168b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x168B5 | 20248 bytes |
SHA-256: b5bcafccbad4d0e1b364507af4e365db70f676dd30c99ec8189e23ddec6819b8 |
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font_02_sfnt_off00019f79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19F79 | 16140 bytes |
SHA-256: 9fc4adf05be99ba94f6c9714e81f71f84bd824bf50d5ec5f1123f813e28a211d |
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font_03_sfnt_off0001b4d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B4D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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