MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. It also contains numerous external URIs, many of which point to potentially compromised websites hosting PDF files, suggesting a link farm or redirection mechanism. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://jezirka-biobazeny.cz/UserFiles/File/gofemamo.pdf In PDF document text
- http://krishikhabar.net/assets/ckfinder/core/connector/php/uploads/files/pokunonozatoriwux.pdfIn PDF document text
- http://artin-intranet.com/ckupload/files/41269013061.pdfIn PDF document text
- https://prokoncept.hu/admin/blogfck/image/file/povijufulavumawimodezu.pdfIn PDF document text
- https://www.alitec.es/js/ckfinder/userfiles/files/16972876051.pdfIn PDF document text
- http://mebel-moscow.com/content/xuploadimages/file/towudebolejidesupopuvug.pdfIn PDF document text
- https://greenline.bg/userfiles/file/bupunugomasununu.pdfIn PDF document text
- https://bonekarusa.com/contents/files/41991644714.pdfIn PDF document text
- https://beldapin.com/calisma2/files/uploads/pigixeduvopiri.pdfIn PDF document text
- http://pm-property.pl/userfiles/file/66073906084.pdfIn PDF document text
- http://www.hangmandigital.com/files/file/97647192976.pdfIn PDF document text
- https://emprenderem.cl/files/mewodujavoserulibom.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0d555dc44---50326683639.pdfIn PDF document text
- http://droprint.my/home/ququ4923/public_html/userfiles/file/penarijonotuditupeg.pdfIn PDF document text
- http://terezszilvia.com/images/uploaded/file/zawevanesakavuzelajusigad.pdfIn PDF document text
- https://drproperty.in/userfiles/file/fesobigukagelujufesaw.pdfIn PDF document text
- https://muahohangnhat.com/app/webroot/uploads/files/58011054680.pdfIn PDF document text
- http://helderlive.nl/ckfinder/userfiles/files/92088968225.pdfIn PDF document text
- http://speckletrack.com/update/editor/file/67725152051.pdfIn PDF document text
- http://taiwan-casters.com/userfiles/file/63091625236.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/sileduzexuxowijovipoguw.pdfIn PDF document text
- http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/bizunizadi.pdfIn PDF document text
- http://aihyang.com/userfiles/file/50637711038.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=dragon+ball+z+season+5+episode+2PDF 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_off0000d4e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4E4 | 10924 bytes |
SHA-256: 2348f111440e586f1911dc47c83a1af384589a5cb0879a11089044dcdf1cf905 |
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font_01_sfnt_off0000eded.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDED | 22496 bytes |
SHA-256: 345f0dbb3ead603b87bf13246c2ae5eb8aa1cb088766c8b2d01fecef290c23ef |
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font_02_sfnt_off0001293c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1293C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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