MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and is flagged as a link farm on disposable hosting, suggesting a phishing or malware distribution attempt. The embedded JavaScript stream, while not directly analyzed for malicious code, is a common vector for exploiting PDF vulnerabilities or initiating further malicious actions. The ClamAV detection further supports the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 7
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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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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://allytemp.ru/uplcv?utm_term=pdf+to+word+converter+apk+for+pc PDF link annotation
- http://uralteplostroy.ru/content/file/61211965618.pdfIn PDF document text
- http://algarestofos.pnh.pt/js/ckfinder/userfiles/files/72923976997.pdfIn PDF document text
- https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16137d36ee0b84---96058110976.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/efd2436b64de1e7c75751b80aeeff07d/lisufin.pdfIn PDF document text
- http://bitree.net/ckfinder/userfiles/files/8888114672.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/161398bf03e247---tigeletuzuwitugogufogot.pdfIn PDF document text
- http://unseretochter.com/images/file/88560287666.pdfIn PDF document text
- http://consol.hu/images/uploadedimages/file/debovamasabaxevo.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/vivudu.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613906dea72fe---xukevofak.pdfIn PDF document text
- http://camel-republic.com/media/userfiles/files/96377647616.pdfIn PDF document text
- https://la-klamm.org/Files/files/78266304009.pdfIn PDF document text
- https://widepolymers.com/userfiles/file/2687692327.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021090406275692.pdfIn PDF document text
- http://archiw.bibliotekalesmierz.eu/img/upload/files/boxeri.pdfIn PDF document text
- http://amandatour.ru/js/ckfinder/userfiles/files/gosido.pdfIn PDF document text
- http://wisdomtours.net/upload/file/lexunananoxotutagogade.pdfIn PDF document text
- https://priscar.com/documents/files/74438742511.pdfIn PDF document text
- http://stonebreaker.at/zuvimivazuj.pdfIn PDF document text
- http://celesteandtorsten.wedding/images/file/wovudojetozi.pdfIn PDF document text
- http://veganogle.es/uploads/ckfinder/files/84603326526.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_off0000c56e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC56E | 17628 bytes |
SHA-256: ce727c325f17220c52671bd4c54a862f8d2a7649c705786e60e56be321545766 |
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font_01_sfnt_off0000f22e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF22E | 10552 bytes |
SHA-256: 03fdc13a6ae50b8db4767a3d81aff6dc2d0de5bb8e537c6c08f40af074551698 |
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font_02_sfnt_off00010a78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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