MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and external URIs, indicating malicious intent. The heuristic 'SE_REMOTE_SUPPORT_LURE' strongly suggests the document's purpose is to trick the user into installing remote support tools. The ML classifier and ClamAV detection further support the malicious verdict, pointing towards a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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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Remote-support tool lure high SE_REMOTE_SUPPORT_LUREDocument instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
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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://crysiq.ru/uplcv?utm_term=remote+control+app+for+android+mobile PDF link annotation
- http://trineckevzdelavani.cz/webpagebuilder/ckfinder/userfiles/files/lejazenisekab.pdfIn PDF document text
- https://360clothing.in/home/www360cl/public_html/uploads/images/files/49203253934.pdfIn PDF document text
- https://badanie-wody.pl/galeria/file/10257964298.pdfIn PDF document text
- http://neteyes.eu/editor_up/89737165564.pdfIn PDF document text
- https://suativisamsungtaihanoi.net/upload/files/kaludotovu.pdfIn PDF document text
- http://sxsasa.org/images_fck/file/1630508471.pdfIn PDF document text
- http://nzozkrowodrza.pl/uploads/editor/file/fubelaxibenemilo.pdfIn PDF document text
- http://gpsputhuppally.com/userfiles/file/kamalomanavevadazar.pdfIn PDF document text
- http://klusjesindex.nl/images/uploads/47638014082.pdfIn PDF document text
- http://all-vehicle.net/js/upload/files/83868626689.pdfIn PDF document text
- http://www.maderas-navarro.com/ckfinder/userfiles/files/kafekudim.pdfIn PDF document text
- http://biosite.ru/images/news/file/95312127997.pdfIn PDF document text
- http://pushgroup.lv/userfiles/files/20039436215.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8922dd0e7---33679655444.pdfIn PDF document text
- http://ipllaser.in/uploads/65001272851.pdfIn PDF document text
- https://www.paseppe.gr/ckfinder/userfiles/files/zovanupafuvulo.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/visogapivewelaniroxu.pdfIn PDF document text
- http://jatechkj.pl/upload/fck/file/ximosokavominujir.pdfIn PDF document text
- https://searchlink.org/userfiles/file/25653056578.pdfIn PDF document text
- https://interconformity.ro/images/file/likukixikotinufejow.pdfIn PDF document text
- http://nguyenxuanhuong.com/upload/files/81945895237.pdfIn PDF document text
- https://themodernla.com/wp-content/plugins/super-forms/uploads/php/files/bc3d6fdb2374494d4262a7c125809033/vomunagenilikufavaji.pdfIn PDF document text
- http://www.biogreeno.com/cms/ckfinder/userfiles/files/muduripejudedeno.pdfIn PDF document text
- http://malir-naterac.info/UserFiles/File/73609351683.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_off0000c580.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC580 | 17428 bytes |
SHA-256: 2df2b5ec4e095f9124dd20ebfbfe2efe4180a32494d4f15c4aea22a57e29e297 |
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font_01_sfnt_off0000f2e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010b00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B00 | 10796 bytes |
SHA-256: 4ebbd6324a4c908be06d664a20ea8d9a0571b7d6229f0ff72268deaa76bd8ff0 |
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