MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for exploiting vulnerabilities or redirecting users. The numerous external URIs, many pointing to PDF files on disposable domains, suggest a link farm or phishing lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://sineadstone.com/userfiles/file/kowukatem.pdf In PDF document text
- http://life-worldwide.org/assets/uploads/files/bufepikoveleweliw.pdfIn PDF document text
- https://sakura-bashi.com/uploads/files/202109140208562931.pdfIn PDF document text
- http://cross-winds.in/upload/contents/images/images/kudebogitozanumuvixo.pdfIn PDF document text
- http://themetamorphoseprogram.com/userfiles/file/73656049331.pdfIn PDF document text
- https://shinaltd.ru/images/file/9118286658.pdfIn PDF document text
- http://kirsanov-maslo.ru/uploads/polemok.pdfIn PDF document text
- http://henskeschildersbedrijf.nl/upload/foguboxegejoj.pdfIn PDF document text
- https://wsbe17hongkong.hk/_bin/ckfinder/userfiles/files/bozidupitaputosar.pdfIn PDF document text
- http://gemaeldeundobjekte.de/uploads/files/47755605860.pdfIn PDF document text
- http://garage-ys.info/js/upload/files/20566489024.pdfIn PDF document text
- https://globalathena.com/ckfinder/userfiles/files/52215738455.pdfIn PDF document text
- http://lamekatus.ee/uploads/ckeditor/files/bavowekenodur.pdfIn PDF document text
- http://escrima-rlp.de/userfiles/file/duxunufamazepupojap.pdfIn PDF document text
- https://luckysurface.itweald.com/uploads/files/613cf9d1c1438.pdfIn PDF document text
- https://hchoanglong.vn/userfiles/file/vunugagonuxobijomube.pdfIn PDF document text
- http://szerecsengyogyszertar.hu/editor_up/jifirovipomemixeloj.pdfIn PDF document text
- http://asu78.ru/userfiles/file/65913659678.pdfIn PDF document text
- https://cargobull.cz/res/file/68124317097.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/fdad76ff7a062c022e81898e653ab5ec/84038844423.pdfIn PDF document text
- https://jocafoto.com/fotos/file/81344799349.pdfIn PDF document text
- https://cr2tek.com/userfiles/Proj_Name/files/83155610635.pdfIn PDF document text
- https://valserve.in/web/k/main_admin/ckfinder/userfiles/files/53530347099.pdfIn PDF document text
- http://stickers-moins-cher.com/userfiles/stickers-moins-cher.com/file/gatixezitijut.pdfIn PDF document text
- http://sro52.ru/uploads/files/85811276263.pdfIn PDF document text
- http://limoride.net/gallery/file/revirar.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=android+optimize+battery+usagePDF 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_off0000da2e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA2E | 11084 bytes |
SHA-256: d0ffd506c8aeb57177a30b3df89059c9a23c4106b5610f7eeabb685725180ffc |
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font_01_sfnt_off0000f3ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3AB | 18032 bytes |
SHA-256: 0861198baf557e394aa9ba75472aed937e03c24e02f0ecc64ec5041e6184a147 |
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font_02_sfnt_off00012202.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12202 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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