MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains embedded JavaScript, which is likely used to exploit vulnerabilities or to download a secondary payload. The document body, though obfuscated, suggests a lure to enable content, a common tactic for malware droppers. The numerous URLs hosted on disposable domains indicate a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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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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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Macro/content-enable lure medium SE_ENABLE_LUREDocument instructs the user to enable macros or editing — a common technique used by malware droppers to bypass Office macro security settings
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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=convert+pdf+to+word+and+enable+editing PDF link annotation
- https://emailing-online.fr/uploads/userfiles/file/78719509584.pdfIn PDF document text
- http://nepodoshlo.kz/ckfinder/userfiles/files/39199990703.pdfIn PDF document text
- https://jills.reviewz.eu/app/webroot/files/userfiles/files/julusepaf.pdfIn PDF document text
- http://carneiro-sa.pnh.pt/js/ckfinder/userfiles/files/87858879918.pdfIn PDF document text
- https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615b9b79f13b7---19610459480.pdfIn PDF document text
- http://fatamorgana.fr/uploads/assets/file/43702160378.pdfIn PDF document text
- https://thehouseproduction.net/file/48440538084.pdfIn PDF document text
- http://i-tos.com/userData/board/file/2987990756.pdfIn PDF document text
- http://phutunggiahungoto.com/uploads/files/12343555455.pdfIn PDF document text
- http://jualumnitoronto.com/editor/uploadfiles/94390812913.pdfIn PDF document text
- http://www.azurwelcomeservices.com/userfiles/file/53894440848.pdfIn PDF document text
- http://ntvietnga.com/upload/files/lepupe.pdfIn PDF document text
- https://lawweb.info/mycms/admin/userfiles/file/63953967149.pdfIn PDF document text
- http://sh-ruiyangcpa.com/userfiles/file/2021-9///2021950735171.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/27136233956.pdfIn PDF document text
- http://biblioteka-belzec.pl/upload/files/noxamuduj.pdfIn PDF document text
- http://fabriquetextil.com/js/new/fckeditor/userfiles/file/65722249284.pdfIn PDF document text
- https://devcons.org/uploads/userfiles/files/xelowadodudovera.pdfIn PDF document text
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/sojvkfr192po53394ste8v71it/86332782435.pdfIn PDF document text
- http://dokumsuzgec.com/userfiles/files/73964307684.pdfIn PDF document text
- https://abriganature.centralcms.cloud/galeria/files/lewekedi.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_off0000d05e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD05E | 10828 bytes |
SHA-256: d23ceaf00fae5b9d6f0013f1380258912d5aa61bd2874d295b6232da5d4d0e92 |
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font_01_sfnt_off0000e917.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE917 | 18828 bytes |
SHA-256: 1e945b27ae21459260cf1e85c3910cc18584d1860e041a284165a5dc48aeae5c |
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font_02_sfnt_off00011a78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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