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 heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a high volume of links pointing to potentially malicious or disposable domains, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
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://haozuowenwang.com/imagefiles/file/12621952445.pdf In PDF document text
- https://acp-luxusingatlanok.hu/ckfinder/userfiles/files/90599519860.pdfIn PDF document text
- https://medius.sk/userfiles/file/26920166979.pdfIn PDF document text
- https://uleshuzatabc.hu/files/file/93299271012.pdfIn PDF document text
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/rafan.pdfIn PDF document text
- https://webmenuplus.com/images/file/61988393511.pdfIn PDF document text
- http://3gr-group.com/ci/userfiles/files/8235233230.pdfIn PDF document text
- https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/wazezujevegu.pdfIn PDF document text
- https://777mto.info/contents/files/42723339390.pdfIn PDF document text
- http://joyearland.com/ckfinder/userfiles/files/27720820638.pdfIn PDF document text
- https://holcom-wd.holcom.vn/webroot/img/files/rewisogej.pdfIn PDF document text
- https://essuances.com/ckfinder/userfiles/files/rawogebimo.pdfIn PDF document text
- https://pasifikendustriyel.com/userfiles/file/88653422806.pdfIn PDF document text
- http://irina-beha.com/ckfinder/userfiles/files/milazip.pdfIn PDF document text
- http://energosol.pl/images_cms/file/kinodavugalomuwufa.pdfIn PDF document text
- http://antonellascarpittadesigner.it/userfiles/files/82610686331.pdfIn PDF document text
- http://dejede.com/userfiles/file/39727853203.pdfIn PDF document text
- http://lexen.ca/userfiles/files/bawikemanunefuriwitig.pdfIn PDF document text
- https://inwestorfinanse.pl/userfiles/file/wusukibupazosika.pdfIn PDF document text
- https://clinicaabrahaoosta.com.br/ckfinder/userfiles/files/11085862739.pdfIn PDF document text
- http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16131c6cb5f1bd---49181693362.pdfIn PDF document text
- https://osiindia.org/ckfinder/userfiles/files/46543967444.pdfIn PDF document text
- http://fijiembajak.com/uploads/ck_uploads/files/xegajek.pdfIn PDF document text
- https://giridhareye.org/ckfinder/userfiles/files/4764178149.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16137f0ea1a342---95936718624.pdfIn PDF document text
- https://xn--p3t29jo1ed4o4xw.tw/upload/files/14424174119.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=enable+dark+mode+on+instagramPDF 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_off0000c2e7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2E7 | 10804 bytes |
SHA-256: 15f92696b849dcbcf2ead16190f4241958b3a88b041ddf554a617b8d54857c8a |
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font_01_sfnt_off0000db8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB8A | 17156 bytes |
SHA-256: 0632c9ccfc609a4927a103a38d152480e660fcb3f754e17515545c3634ac64e6 |
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font_02_sfnt_off00010821.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10821 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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