MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links to external PDF files hosted on disposable domains, indicating a phishing or malware distribution attempt. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a link farm designed to trick users into downloading further malicious content. The ML classifier and ClamAV detection further support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
Heuristics 7
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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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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://smidgel.ru/uplcv?utm_term=charlie+wade+novel+pdf+free+download PDF link annotation
- https://mintowncoffee.net/uploads/images/files/34831767637.pdfIn PDF document text
- http://carraracucinecomponibilitrapani.it/userfiles/files/98484047420.pdfIn PDF document text
- https://www.tocbirsen.org.tr/ckfinder/userfiles/files/vekitumeson.pdfIn PDF document text
- http://office-tommy.com/images/file/64490030877.pdfIn PDF document text
- http://wieswioska.pl/userfiles/file/tufakedokudatimo.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/jefoxawoxexipubu.pdfIn PDF document text
- http://benetworkingpro.com/ckfinder/userfiles/files/jamonibeludetavosekur.pdfIn PDF document text
- http://abwcrainhwy.com/uploads/files/95557729029.pdfIn PDF document text
- http://autofactory-jin.com/js/upload/files/36678887459.pdfIn PDF document text
- http://slavutich-media.ru/userfiles/file/77484769941.pdfIn PDF document text
- https://tonere.shop/app/webroot/files/userfiles/files/58037773048.pdfIn PDF document text
- http://fuku-zou.com/userfiles/file/30001539553.pdfIn PDF document text
- http://unite-chem.com/upload/files/83743701580.pdfIn PDF document text
- http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147bec032821---balajepalupek.pdfIn PDF document text
- https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/f3d9ac4234d3a98c86611fedb9cab613/39575495789.pdfIn PDF document text
- https://lompatjauh.com/contents/files/maponejafojukujugidu.pdfIn PDF document text
- https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/61246583304.pdfIn PDF document text
- http://fcgo.tw/uploadpic/files/guwatirupinevorozapegibob.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/doredizudozaradux.pdfIn PDF document text
- http://dpkwi.org/userfiles/files/1929499830.pdfIn PDF document text
- https://www.hotelrestaurantmacarena.fr/ckfinder/userfiles/files/zawirajukad.pdfIn PDF document text
- http://montoaneli.com/ckfinder/files/ropul.pdfIn PDF document text
- https://wronba.pl/uploads/wysiwyg/file/nopib.pdfIn PDF document text
- http://geerhannutpourreussir.be/docs/upload/files/zimabagijezivem.pdfIn PDF document text
- http://mlsconsulting.net/cms/files/File/22593730514.pdfIn PDF document text
- 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_off0000b21e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB21E | 10512 bytes |
SHA-256: d0a6eae8c11374f9a5fffae37c85ba1b1c8a553ad515ad1d5bc59193e3a04eb2 |
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font_01_sfnt_off0000c9ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e211.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE211 | 17900 bytes |
SHA-256: 3eb40ba5ee1e06e78e40fefc8f8f7638cc78ff05ee3c0b88da3d085f5070b3b3 |
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