MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. The presence of numerous embedded URLs, many pointing to suspicious domains and configured as a link farm, strongly suggests a phishing or malware distribution campaign. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL patterns are indicative of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 5
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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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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://www.pharmawell.eu/ckfinder/userfiles/files/80464297867.pdf In PDF document text
- https://korvioinfotech.com/ckfinder/userfiles/files/47615512700.pdfIn PDF document text
- http://delfosventures.com/userfiles/files/76377138408.pdfIn PDF document text
- http://msslink.ru/userfiles/files/wosirojujusavi.pdfIn PDF document text
- http://ckudzcssffhhj.handysociality.com/upload/files/bopovelabenup.pdfIn PDF document text
- http://hwayoung.kr/upfile/files/62699153970.pdfIn PDF document text
- http://popmetre.com/news/files/41577993760.pdfIn PDF document text
- https://aordonez.com/images/contenidos/files/60184594319.pdfIn PDF document text
- http://amunt.madteam.net/ckfinder/userfiles/files/mizot.pdfIn PDF document text
- http://knowleangling.co.uk/ckfinder/userfiles/files/12907517808.pdfIn PDF document text
- https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/89afef1b19154be5c7031b6d85d5e14d/52041827621.pdfIn PDF document text
- https://ladymamashop.com/uploads/files/202109051209415862.pdfIn PDF document text
- http://rotang.net/userfiles/file/19026250109.pdfIn PDF document text
- http://firesecurity.sk/userfiles/file/wukekemabamolelosujadate.pdfIn PDF document text
- https://zmiz.hr/userfiles/file/94984637800.pdfIn PDF document text
- https://rowadalbyt.com/userfiles/files/90688556762.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614bde994e71d---nuzenuweto.pdfIn PDF document text
- http://deshdunya.com/blogimage/file/gudopikunovukuzetesalup.pdfIn PDF document text
- http://pbhdom.eu/userfiles/file/48957754642.pdfIn PDF document text
- https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/rizoluke.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=human+fall+flat+3+player+localPDF link annotation
- https://tes-sys.com/uploads/ckfinder/files/20210922/16323227748398.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_off0000ac02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAC02 | 10756 bytes |
SHA-256: 58e397253090e1b611fd6a54eeb2e5fc677ec9238e3ce70adaad7cb551e9c090 |
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font_01_sfnt_off0000c4c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4C4 | 15460 bytes |
SHA-256: a122b67e997b81be2d81773080fbb2384831198aa9d8266bb7f693dccdb1e96d |
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font_02_sfnt_off0000ebaf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBAF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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