MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous links to external websites, many of which are hosted on compromised or disposable domains, suggesting a link farm or phishing lure. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically points to this behavior, indicating the document is designed to direct users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://chinalabware.es/d/files/xilitolenofis.pdf In PDF document text
- http://sosnovgeo.ru/userfiles/file/nilugosazujetibibapone.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/51382155321.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/nafoxeg.pdfIn PDF document text
- https://sanidom.pl/img/file/97124825640.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/16106af98a1058---90101790434.pdfIn PDF document text
- https://cbdc.co/uploads/ckfinder/userfiles/files/67644715042.pdfIn PDF document text
- https://www.stnedu.com/ckfinder/upload/files/62602195678.pdfIn PDF document text
- https://journalofcritique.com/ckdosyalari/upload/files/newuwafiwe.pdfIn PDF document text
- http://st-johnson.com/Uploadfiles/files/ralugibujug.pdfIn PDF document text
- http://eros-arena-reutlingen.de/eros/userfiles/file/42372679587.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607824c85495e---75604071277.pdfIn PDF document text
- https://glbtrader.com/userfiles/file/98011689913.pdfIn PDF document text
- http://thanhnhomdinhhinh.net/uploads/files/40883785872.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/14455419596.pdfIn PDF document text
- http://lifecare4all.com/upload/files/76866216111.pdfIn PDF document text
- http://topp.pl/_topp/file/vepuzijuzezewarinako.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1606eabbe29a92---dobudasiguza.pdfIn PDF document text
- https://parc-hotel.info/file/89976745838.pdfIn PDF document text
- http://vstarmp.cn/upload/files/20210703_031932.pdfIn PDF document text
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/d7e1087f56abf978868f04a7ce77273b/99910530804.pdfIn PDF document text
- https://willmarareachamber.com/ckfinder/userfiles/files/dibobelemozanilapufisavo.pdfIn PDF document text
- https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608717fabd357---lunuzuvifozozubux.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=tenant+police+verification+form+pune+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_off0000d6a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6A4 | 10744 bytes |
SHA-256: 7cb6e3a253502a3bbd19ade601673acbfd9736e069ede58f1f7b7d23c371f97b |
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font_01_sfnt_off0000ef57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF57 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010769.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10769 | 18228 bytes |
SHA-256: e4467d365aa3dcb8842ee0aa95ed7f0d624fcb383c2794b7b465bf39fa5ccefa |
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