MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised WordPress sites, suggesting it functions as a link farm designed to redirect users to malicious content. The presence of external URI heuristics and the 'PDF_SEO_DISPOSABLE_LINK_FARM' firing further support this attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://catamma.ru/uplcv?utm_term=vedic+maths+formulas+in+hindi PDF link annotation
- https://accesoriosalmayor.com/images/userfiles/file/30357420021.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/48664ac640853acd297676a0869d7994/bezoromavaxewofa.pdfIn PDF document text
- https://artbynela.com/uploads/file/zemaxugatatelokufomo.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e7cbc897a---fijafufeluf.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca643b71b6---99520620928.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4c15320ad---69944661922.pdfIn PDF document text
- http://innotack.com/userfiles/files/8992190601.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/0ebe979cda0297eafb725112fb946829/22417592435.pdfIn PDF document text
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079d0505e0e5---50591926264.pdfIn PDF document text
- http://9meclinic.com/ckfinder/userfiles/files/74532382963.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081fd082551a---96479359153.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/o9j1o2344s3aem81qocf0qefur/giwenonodet.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/97a2cv3fa3kei5ehssbmi9sjt0/82725032447.pdfIn PDF document text
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160877f5f6e562---tunusomilibapo.pdfIn PDF document text
- https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/tdukdgca30uvp7k9nau7t9sfpr/rumikuduzuzefunos.pdfIn PDF document text
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16082ad60aa111---93479124270.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d95c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD95C | 5108 bytes |
SHA-256: 0ab3000e0dc8a4c9e4624873a24caaf73de4ebe3ea66c9a01361a1524a5baf42 |
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font_01_sfnt_off0000ea8e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA8E | 13020 bytes |
SHA-256: 86bd27236079fb9591d6147cf71cf73d9238fabcd837422197c21a03f7607eea |
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font_02_sfnt_off00011417.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11417 | 4324 bytes |
SHA-256: cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
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