MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these external links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://forumhrdbekasi.com/webroot/userfiles/files/dugusezezepa.pdf In PDF document text
- https://ta-taiwan.com/app/webroot/userfiles/files/23001993449.pdfIn PDF document text
- https://fourseasons.events/wp-content/plugins/super-forms/uploads/php/files/cb8f7f4f9d4a9f0e90e6c2e5a383d105/kasezelinosekodogamedu.pdfIn PDF document text
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/5cf6de2a290558af85866568ac331477/64696930743.pdfIn PDF document text
- http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d6c18ed77---jakukifob.pdfIn PDF document text
- https://airflow-skateboards.com/upload/file/46298519027.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160784dcb2fb7f---86330686592.pdfIn PDF document text
- https://trimix.bg/UserFiles/File/91735311514.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d7030bf179---2009079559.pdfIn PDF document text
- http://dok-vo.ru/userfiles/file/mamabisesineset.pdfIn PDF document text
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a12d2de33b9---49252716676.pdfIn PDF document text
- http://kovacsoltvaskerites.hu/images/file/wemoti.pdfIn PDF document text
- http://ildungrice.com/fileupload/fckeditor/file/nusalevokemam.pdfIn PDF document text
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16092b897cc7de---jugemilewe.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/vulegaduzusuwinoz.pdfIn PDF document text
- http://bayanairag.com/uploads/userfiles/files/fukubajurumekovajuri.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/gfirfctfkpmpthifkfr8eufitq/padasudov.pdfIn PDF document text
- https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/parevi.pdfIn PDF document text
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbd7f6bdcc---91537929632.pdfIn PDF document text
- http://jakebenmd.com/clients/0/0e/0eef9d569b11303d075d19626cc6f958/File/19834417410.pdfIn PDF document text
- http://consulcongress.it/uploads/assets/file/68686170722.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/12rq61fuh8jsv63rq7qdjlq3up/judesiwagapaxuzusasefev.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/44rclmv0hm6i4mphm7pdadeic3/56989351694.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/7457212888.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/7746e47e73b8982b74cab90bb386b8ae/vofezefodenegonurabakuzi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=chest+pain+and+feeling+shakyPDF 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_off0000e004.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE004 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f81b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF81B | 10792 bytes |
SHA-256: 1b7d41d787cce49e6248c63a90db8594d41e5b6bc7f1aa812dc54cecf77a5966 |
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font_02_sfnt_off000110bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110BF | 18544 bytes |
SHA-256: 1c4841805067f9fab39c71d91155ac077e21df63b58f0c51949f0e9f2804ba3d |
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