MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, a common technique for exploiting PDF viewers or redirecting users. The presence of numerous external URIs, many pointing to PDF files on various domains, suggests a link farm or redirection mechanism. ClamAV and ML classifiers strongly indicate malicious intent, likely for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/3aafsokcabki3iama57stuv2aq/63401316691.pdf In PDF document text
- http://zeguvietnam.com/uploads/ckfinder/files/30659729535.pdfIn PDF document text
- http://bfr-bialapodlaska.pl/userfiles/file/82164600771.pdfIn PDF document text
- http://xn--9i1b14lwsg1seumdzsx.com/upload/fckeditor/file/8094584034.pdfIn PDF document text
- http://ciaomamma.hu/editor_up/bedut.pdfIn PDF document text
- http://eskuvoiiranytu.hu/blog/file/38202555791.pdfIn PDF document text
- https://etevent.itweald.com/uploads/files/614080297505f.pdfIn PDF document text
- http://canadanur.com/resimler/files/luzapawizejezimametebus.pdfIn PDF document text
- http://speed-r.com/js/upload/files/59001177206.pdfIn PDF document text
- http://tao-oita.com/admin/upload_filesfile/juwesoxob.pdfIn PDF document text
- https://gkia.org/kingkong/userfiles/files/vadiwiworevavelivoj.pdfIn PDF document text
- http://pk.mo/userfiles/file/41179068037.pdfIn PDF document text
- http://sinice-rasy.cz/files/file/boxirixiz.pdfIn PDF document text
- https://sentralperdana.com/file/6368949920.pdfIn PDF document text
- http://mudrkanuch.sk/editor_uploads/system/files/5328219593.pdfIn PDF document text
- http://modellszerviz.hu/userfiles/file/zidijozep.pdfIn PDF document text
- http://yogaschoolofkerala.com/photos/editor/files/61438434897.pdfIn PDF document text
- https://baglab.pl/galeria/file/depofezod.pdfIn PDF document text
- http://disonde.com/filespath/files/20210917132317.pdfIn PDF document text
- http://jpind.pl/userfiles/file/91853134955.pdfIn PDF document text
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/wamobolelefosafib.pdfIn PDF document text
- https://tarsiman.ee/files/file/73407490958.pdfIn PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613743123cbd9---28736549507.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=8+ball+pool+modded+apkPDF 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_off0000d836.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD836 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f04d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF04D | 10336 bytes |
SHA-256: f771efe77431fddcf4c3d1fbf0d57e2f01c1cc086bbb58b9e3656a5a2a89b978 |
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font_02_sfnt_off0001075b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1075B | 16964 bytes |
SHA-256: a2652c3296f907a97b72ecdbcb27a34708bd24f7cca4ac55e2330c8f57b125cd |
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