MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and multiple URIs, including one pointing to a raw IP address, indicating an attempt to redirect the user to a malicious site. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic suggests a link farm designed to obscure the true destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to download a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
Heuristics 7
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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 https://nomortiga.com/contents/files/57039414295.pdf In PDF document text
- https://ceral.pl/ceral/pliki/file/76417145306.pdfIn PDF document text
- http://stellarp.com/userfiles/file/palum.pdfIn PDF document text
- http://wish-pharma.com/upload/files/9249699469.pdfIn PDF document text
- http://atamergranit.com/userfiles/file/12442132641.pdfIn PDF document text
- https://tcremich.lu/files/files/63877533382.pdfIn PDF document text
- http://sunmoon-glory.com/web/upload/files/94483304687.pdfIn PDF document text
- http://www.jacenter.org/js/ckfinder/userfiles/files/mesewikiribefo.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161371b535e8f0---50801738388.pdfIn PDF document text
- http://goodwill.pl/userfiles/file/vurazifubatodu.pdfIn PDF document text
- http://honderhotel.com/UploadFiles/FCKeditor/20210908111607.pdfIn PDF document text
- http://ecosdaliberdade.com/ckfinder/userfiles/files/13437416248.pdfIn PDF document text
- https://mraos.com/web/userfiles/file/9999865826.pdfIn PDF document text
- https://cet.sk/res/file/64885142161.pdfIn PDF document text
- https://langumeistras.lt/i/File/vevevejov.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/16138da869e7a2---babuwidevu.pdfPDF link annotation
- http://studioarchperissinotto.eu/userfiles/files/xawunujunisenas.pdfIn PDF document text
- http://vindindex.nl/images/uploads/52730613032.pdfIn PDF document text
- https://chennothinterios.com/uploads/file/pejivogi.pdfIn PDF document text
- http://shopcode.ru/uploads/file/62939939689.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/35ef9a044233e8948a7cc3ca2755e1b0/ritoguwifo.pdfIn PDF document text
- http://dreamscar.eu/userfiles/file/54964721644.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=romer+macroeconomics+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_off0000def7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEF7 | 18292 bytes |
SHA-256: 1931ac044dd66c438fe444211a6d1ee55adce6913ade91d70d5de290d361079c |
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font_01_sfnt_off00010e4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E4F | 10680 bytes |
SHA-256: e3997296a7415ac3a33e3b28f378b19fd8a9870b6f47a2332e81522fb546949a |
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font_02_sfnt_off000126bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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