MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to unknown domains, suggesting a link farm designed to redirect users. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The presence of embedded JavaScript (T1059.007) is a common technique for exploiting PDF vulnerabilities or initiating malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://grandfiltr.com/files/file/dorimularubevopuvininat.pdf In PDF document text
- https://searchkar.com/ci/userfiles/files/dumigawuboxizurinozixize.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/sudeloleziwosepem.pdfIn PDF document text
- https://fishboat.hr/files/roxuli.pdfIn PDF document text
- https://geneolock.com/ckfinder/userfiles/files/sitiw.pdfIn PDF document text
- https://lawtutors.co.uk/js/ckfinder/userfiles/files/puremafesewabinekig.pdfIn PDF document text
- https://wietsevoermans.nl/ckfinder/userfiles/files/ruxixabipisilafil.pdfIn PDF document text
- http://www.wm-meyer.de/meyer/admin/editor/ckfinder/userfiles/files/66669493539.pdfIn PDF document text
- https://www.hkha.org/ckfinder/userfiles/files/7058803191.pdfIn PDF document text
- http://medi-sen.com/files/files/46857635787.pdfIn PDF document text
- https://piphoto.tw/uploads/files/202109200747556418.pdfIn PDF document text
- https://cjsc.se/ckfinder/userfiles/files/digegefur.pdfIn PDF document text
- http://www.europesolidaire.eu/userfiles/files/gebibuj.pdfIn PDF document text
- http://www.benyowsky.com/resources/files/libekuruv.pdfIn PDF document text
- https://qnzar.com/files/25071216534.pdfIn PDF document text
- http://chi-kara.net/Upload/files/kerugafatizo.pdfIn PDF document text
- http://orsini-blasioli.it/userfiles/files/puxikupowogaxotabefo.pdfIn PDF document text
- http://www.nanodrywash.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ac9b2b1580---daladuwivevetepofi.pdfIn PDF document text
- http://peoplefoster.com/pliki/dixuvu.pdfIn PDF document text
- http://nessium.fr/userfiles/file/wikaforijexijinadefuk.pdfIn PDF document text
- http://e68momo.com/shopadmin/upload/files/82102280824.pdfIn PDF document text
- http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/rab58jprtlilj8vjce2jojdpak/40590555655.pdfIn PDF document text
- http://upservice.expert/admin/ckfinder/userfiles/files/206215647.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=how+to+draw+a+hedgehogPDF link annotation
- http://elezioni2014.gds.it/userfiles/file/98963174212.pdfIn 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://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_off0000ce22.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE22 | 10196 bytes |
SHA-256: 3842c4867595fa2dd8237e94e8303bcad4090883136cfd270ca461ebcd8cff73 |
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font_01_sfnt_off0000e4ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fcfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCFC | 17160 bytes |
SHA-256: fe4ee2fe8e232b7eef6fee51ea7838e736e751046cd8e03eb5d3ab3656a0fc8a |
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