MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that function as a link farm, directing users to potentially compromised websites. Heuristics indicate these links are designed to mislead, with one specifically pointing to a compromised CMS upload storage. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
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://marinaxaraes.com.br/ckfinder/userfiles/files/8454009787.pdf In PDF document text
- http://vakaruinzinerija.lt/userfiles/file/73255437822.pdfIn PDF document text
- http://biblioteka-belzec.pl/upload/files/51845485279.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16137a56b88905---nunowelakoj.pdfIn PDF document text
- https://irish-setter-zucht.info/ckfinder/userfiles/files/41372318092.pdfIn PDF document text
- http://huemin.com/fckeditor/userfiles/file/mewipewixobegituxep.pdfIn PDF document text
- http://naturallabs.de/userfiles/file/9281377152.pdfIn PDF document text
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135c3b0adea2---37462593476.pdfIn PDF document text
- http://stickers-moins-cher.com/userfiles/stickers-moins-cher.com/file/diwuzujuzif.pdfIn PDF document text
- https://cosanuesa.com/componentes/editor/ckfinder/userfiles/files/61266652207.pdfIn PDF document text
- http://tungalag.mn/userfiles/files/javawo.pdfIn PDF document text
- http://pribatu.lamilagrosaimport.com/images/files/jixefawunorosujasugunukik.pdfIn PDF document text
- http://putzlappenborner.at/editor_up/8842713711.pdfIn PDF document text
- https://sierrainstruments.cn/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/24985102034.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/161303b2111025---91885242856.pdfIn PDF document text
- https://www.hotel-palladium.gr/wp-content/plugins/super-forms/uploads/php/files/t7vgbcpncj4r8lvr78ht0k2slb/sibizozefefafazi.pdfIn PDF document text
- http://ngocminhcnc.com/demo_thietbimay_24_7/upload/files/kisuzefujo.pdfIn PDF document text
- http://pharmabiosolutions.com/filespath/files/20210906065634.pdfIn PDF document text
- https://ingatlanfelugyelet.hu/uploads/file/19483817017.pdfIn PDF document text
- https://hoavily.com/uploads/files/62443904216.pdfIn PDF document text
- http://officinedesign.it/userfiles/files/95745046353.pdfIn PDF document text
- http://showpelec.com/data/file/20210904_082742_492.pdfIn PDF document text
- http://alde-pace.org/ckfinder/userfiles/files/9494105199.pdfIn PDF document text
- http://nemochem.cn/upload/files/54054384564.pdfIn PDF document text
- http://ke-sen.com/userfiles/file/1630848643.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=android+architecture+designPDF 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_off00012fef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FEF | 10684 bytes |
SHA-256: a315e42d7b2449b7aa6b5265c481860a635327c0c072eb72840805e8e83dd00c |
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font_01_sfnt_off00014828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14828 | 18384 bytes |
SHA-256: ed2fb321ced8faf2fcb33b688b594fc8bf8687d1b99fcd10605843ec16ffe1be |
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font_02_sfnt_off00017871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17871 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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