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 ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to potentially compromised WordPress sites, suggesting an attempt to distribute further malware or phish users. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16089948f9a486---71415804783.pdf In PDF document text
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079c6c77b48d---vujuwifepofu.pdfIn PDF document text
- http://praguetransfer.com/files/file/47281938363.pdfIn PDF document text
- http://botanicgardenscafe.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b8971c1921a---50358159518.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/8b6075030ba76c6306e927f26a45ec23/50397031490.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9652f0b7f---xidaxibaxeragox.pdfIn PDF document text
- http://martom24.pl/martom/userfiles/file/somosil.pdfIn PDF document text
- http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9de083a60---gojabib.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d009b3e01---fifar.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/9e5a905444ab46a8f180d031c7779839/korimaxejet.pdfIn PDF document text
- https://eurouniversal.eu/ckfinder/userfiles/files/fizegiwapuwanapubexatobux.pdfIn PDF document text
- http://herculesestateplanning.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/guxaduzojerarafuxuwaxaw.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/83523956575.pdfIn PDF document text
- https://hostessima.pl/userfiles/file/dujobakile.pdfIn PDF document text
- http://superplasticizer.cn/d/files/tusumagajata.pdfIn PDF document text
- http://conditum.nl/userfiles/file/fumijobenivosajed.pdfIn PDF document text
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2f4d8befa---temosopasunasuzu.pdfIn PDF document text
- http://the100voicesofgospel.de/fichiers/newsletter/file/rolilubitab.pdfIn PDF document text
- http://www.mostenpo.jp/userfiles/files/87586922691.pdfIn PDF document text
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160d68fc4a9072---baledikopafovawid.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16073bad88cee3---maxuzekumuxifan.pdfIn PDF document text
- https://www.mixedclass.com.au/wp-content/plugins/super-forms/uploads/php/files/op1hraui9p6hpkeod04juteuej/59208183872.pdfIn PDF document text
- http://edgewood1962.com/clients/2/2b/2b25cacec04995aba37d275b9c35b4d1/File/numewefodidoroduxipuze.pdfIn PDF document text
- https://dbjadow.pl/attachments/file/14799932938.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=niche+tourism+definition+pdfPDF 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_off0000ed23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED23 | 10752 bytes |
SHA-256: 8141ac0a9bcea7a16dedfcd592f8da07d646d8182dfcc63e59d673aca3197438 |
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font_01_sfnt_off000105b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105B1 | 18460 bytes |
SHA-256: 7d8335140744eb131fd2abb0d5cc51dd9beadb08467c82e047e1a6b51ed7a349 |
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font_02_sfnt_off000135ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135CE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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