MALICIOUS
104
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, a common technique for executing malicious code within PDFs. This script likely redirects the user to external URLs, as indicated by the PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics. The presence of multiple links to compromised CMS upload storage and disposable hosting further suggests a malicious intent to distribute or host malicious content. The ML classifier strongly supports the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/add734c456cf3007a8516e90b8733b89/jamamagujoxebo.pdf In PDF document text
- http://gjbbang.com/userData/board/file/79763934698.pdfIn PDF document text
- https://pearproperties.in/userfiles/file/39930646907.pdfIn PDF document text
- https://aradovan.com/userfiles/file/61488285543.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/tipima.pdfIn PDF document text
- https://www.adoz.cz/ckfinder/userfiles/files/71572160443.pdfIn PDF document text
- https://firmabudowlanawalczak.pl/web/uploads/files/jikidumilawifolirowelon.pdfIn PDF document text
- http://www.creativitaecomunicazione.it/js/lib/ckfinder/userfiles/files/29596525439.pdfIn PDF document text
- https://colakcivi.com/userfiles/file/molorum.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/8073d70a655269cb18ecf46441ce4f80/2337937974.pdfIn PDF document text
- http://poney-club-romilly-aigre28.fr/userfiles/file/mufexefozodoxix.pdfIn PDF document text
- https://0900107678.com/upload/file/38776107154.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/24fb0beac38a42196e5a2c7ee596244f/74977570412.pdfIn PDF document text
- https://enilubricant.hoakhanh.vn/uploads/image/files/sifive.pdfIn PDF document text
- http://progettogeometra.it/userfiles/files/buvutalezadikasebalododa.pdfIn PDF document text
- http://sentezetutmerkezi.com/upload/ckfinder/files/kuwebinowarupezeg.pdfIn PDF document text
- http://plan.msu.ac.th/ckfinder/userfiles/files/28358695626.pdfIn PDF document text
- http://jutaek.humenia.com/upload/userfiles/2021/09/files/210913033348.pdfIn PDF document text
- http://webinaris.biz/ckfinder/userfiles/publics/files/45559636301.pdfIn PDF document text
- https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/jazelesavuzawevuzox.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a3ee0d2e5---14809836477.pdfIn PDF document text
- http://pc-driver.ru/userfiles/files/nexujifipusemujakulubojun.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7aa1b4847---89404009491.pdfIn PDF document text
- https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/13ff1a68f374e20376455688242d741d/kesawojavubovisubopojin.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141b554c5815---6670250709.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=laatu+punjabi+movie+download+720pPDF 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_off0000be1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE1C | 16728 bytes |
SHA-256: 54a9113f434145ef19627e440d294e23fc12ff080aa592b65c80a2de9bd7c06e |
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font_01_sfnt_off0000e960.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE960 | 11056 bytes |
SHA-256: 2009d0b028c8a99ec2a5f46e5f333d3f5eb8b0023d764e7ee97cb371573295ee |
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font_02_sfnt_off000102f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102F2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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