MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to various domains, many of which are likely compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall detection indicate an attempt to lure users into potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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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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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://777mto.org/contents/files/83344746215.pdf In PDF document text
- http://danhsach.hagigroup.work/data/media/files/pelufesamiz.pdfIn PDF document text
- https://cakesandcupcakes.net/userfiles/files/23039929454.pdfIn PDF document text
- http://lotusburbank.com/uploads/files/54515987418.pdfIn PDF document text
- http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/9bba15873360c0a822dfcc5cfca44b42/61155289610.pdfIn PDF document text
- http://www.optimizecost.com/admin/ficheros_fckedit_subidos/lepimi.pdfIn PDF document text
- https://er-cardiff.com/eurostyl/photos/file/43344693196.pdfIn PDF document text
- https://spirit-legend-enterprises.com/webroot/editor-uploads/files/96844377011.pdfIn PDF document text
- http://brbud.pl/userfiles/file/76032539436.pdfIn PDF document text
- https://robustbrakes.com/administrator/imagetemp/file/fijonawiwup.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/vudikolavixonaveta.pdfIn PDF document text
- https://valstybestarnyba.com/upckfinder/files/nifubo.pdfIn PDF document text
- https://b2bircruise.travflex.com/bot/ckfinder/uf/files/76864373640.pdfIn PDF document text
- http://markasib.ru/ckfinder/userfiles/files/vipizu.pdfIn PDF document text
- http://bentleyplemtech.ru/userfiles/file/63727025726.pdfIn PDF document text
- https://stef-nancy.fr/upload/document/sanejovinolos.pdfIn PDF document text
- http://onestep-tokyo.com/userfiles/file/wolorulimazar.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613877ef68996---vegogukabamenajefej.pdfIn PDF document text
- http://gurgaontaxi.com/pa/trainstation/uploads/image/file/67520448939.pdfIn PDF document text
- http://wrtour.com/FileData/ckfinder/files/20210908_EFFA8DFFCC219CCA.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/a960e30477f88541422c2bb5883817c1/61945020992.pdfIn PDF document text
- http://www.salpasafarit.fi/tiedostot/files/30350555621.pdfIn PDF document text
- http://thesnowmanicecream.com/ckfinder/userfiles/files/62727883805.pdfIn PDF document text
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/161312692bffab---66093134359.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=gta+5+mobile+for+android+%26+iosPDF 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_off0000e22e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE22E | 10660 bytes |
SHA-256: 37b3849a89d38e480e58cb54447c738ca4847503f5ecbf1f43aabb8cbe3c3654 |
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font_01_sfnt_off0000fa9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA9C | 18716 bytes |
SHA-256: 87cc862007d8b22ba3ec244c8c422d2a641b1825caca5550729b9f6d4e53d355 |
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font_02_sfnt_off00012b03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B03 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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