MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample is a PDF file flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs that point to a link farm hosted on various domains, suggesting a phishing or malware distribution scheme. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic specifically highlights the nature of these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 http://cochemical.com/upload/files/51511643984.pdf In PDF document text
- http://phuketdriveschool.com/userfiles/file/8706525909.pdfIn PDF document text
- https://bccphil.paramedix.biz/uploadfiles/file/fafaketogeram.pdfIn PDF document text
- http://termocity.by/pics/files/midoxesamoxalezerejebova.pdfIn PDF document text
- https://dom4m.de/userfiles/files/9372978087.pdfIn PDF document text
- http://asesorgubernamental.com/images/file/61283551113.pdfIn PDF document text
- https://mhreng.com/userfiles/file/52957409339.pdfIn PDF document text
- http://sanyosushiglendora.com/uploads/files/74454227974.pdfIn PDF document text
- http://ozdesignhouse.com/app/webroot/uploads/files/37291451549.pdfIn PDF document text
- http://plncse.hu/php_data/file/mimaveditofasixotu.pdfIn PDF document text
- http://raczcsalad.hu/files/bikewagoboferugosixemag.pdfIn PDF document text
- http://quiltingacademy.com/fckeditor/userfiles/file/95088084621.pdfIn PDF document text
- http://thienminhgroup.com/uploads/userfiles/file/33380714404.pdfIn PDF document text
- http://cautrucpalang.vn/webroot/img/files/meseralogoveted.pdfIn PDF document text
- http://jessie.vn/images/ckeditor/files/fisebis.pdfIn PDF document text
- http://coumert.com/images/file/85839106990.pdfIn PDF document text
- https://syntellect.ru/Repository/file/11768247927.pdfIn PDF document text
- https://jeevadhara.org/work/london/userfiles/file/padaserotetodesov.pdfIn PDF document text
- https://essuances.com/ckfinder/userfiles/files/37028796002.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132369a6e8fb---nefabutonoxifemezafa.pdfIn PDF document text
- http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/nanufewexodaxin.pdfIn PDF document text
- http://karimeh.com/public/userfiles/file/62652702946.pdfIn PDF document text
- http://medrea.ru/upload/files/tadimuk.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=play+store+is+not+loadingPDF 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_off0000dffd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f80f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF80F | 17780 bytes |
SHA-256: ec28a3e8a5e300f14f665a37fdf17f2229027620c181d4bba22d6ee80f988942 |
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font_02_sfnt_off00012640.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12640 | 10536 bytes |
SHA-256: b7df01e4e58b0309d7df44d3f44270667059643887415dba3a089693293846f1 |
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