MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document uses a cloud document lure to trick users into clicking on malicious links. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of embedded URIs and a link farm on disposable hosting further supports this, suggesting the document is designed to download a second-stage payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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Cloud document impersonation lure medium SE_CLOUD_DOC_LUREDocument impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
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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://www.rify.us/cms-uploads/files/gewok.pdf In PDF document text
- http://27derajat.com/assets/ckfinder/core/connector/php/uploads/files/norunetu.pdfIn PDF document text
- http://tmtechvn.com/webroot/img/files/95152423489.pdfIn PDF document text
- https://gancza-yacht.pl/userfiles/file/56194412871.pdfIn PDF document text
- http://twfindia.in/userfiles/files/88949668729.pdfIn PDF document text
- http://paradisetourkorea.com/FileData/ckfinder/files/20210909_04806BCCDAB6EE23.pdfIn PDF document text
- http://epmresearch.org/userfiles/files/jabiximedawapi.pdfIn PDF document text
- http://fabiocaronearchitetto.com/userfiles/files/50322191255.pdfIn PDF document text
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/06d15idhjebphl3nhnp52uj4hi/11766374179.pdfIn PDF document text
- http://abwwilson.com/uploads/files/dokas.pdfIn PDF document text
- http://castel.lu/userfiles/files/kuraxesabutarupiju.pdfIn PDF document text
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5c196b64d---kuvezojegud.pdfPDF link annotation
- https://aicpwdosaeast.com/ckfinder/userfiles/files/xanirapugixanadibogipo.pdfIn PDF document text
- https://thepainter.asia/upload/files/zobisefefajorekudogo.pdfIn PDF document text
- http://email-database.info/userfiles/file/35303860508.pdfIn PDF document text
- http://www.hkimm.hk/_bin/ckfinder/userfiles/files/jotina.pdfIn PDF document text
- http://benetalent.com/upload/files/53068047110.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/161321b707e1ca---58800077324.pdfIn PDF document text
- http://villkasz.hu/editor_up/10902433769.pdfIn PDF document text
- https://e-ceramika.pl/userfiles/file/lobavoguzanadavixukabot.pdfIn PDF document text
- https://lexconsulting.ro/webroot/files/media/vagovagedero.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+copy+and+paste+files+on+android+tabletPDF 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_off0000d2f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2F8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb0f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB0F | 10944 bytes |
SHA-256: a4b09eb3d33db90d7d47e6bc418c6497e65f8853f0c2658521dbe43675ed5ba4 |
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font_02_sfnt_off0001045d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1045D | 17352 bytes |
SHA-256: 67b75e99b911db150cd897c3d20be168b9c4fe5f593d628de7c0f2e7b0b759cd |
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