MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites or disposable domains, forming a link farm. This suggests an attempt to lure users to malicious content or manipulate search engine results. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 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 http://icltindia.in/userfiles/file/roponufurupupevipa.pdf In PDF document text
- http://agilesolutions.in/uploads/36393985700.pdfIn PDF document text
- http://www.morrisjones.co.uk/EditorImages/file/fukepi.pdfIn PDF document text
- http://thunderstar.cn/userfiles/file/20210512091405100889339.pdfIn PDF document text
- http://rehahomecare.com/upload/editor/files/63127264388.pdfIn PDF document text
- https://stotex.rs/files/51494524127.pdfIn PDF document text
- http://onlinetradeshow.ir/uploads/files/19871504560.pdfIn PDF document text
- https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/2a5rje9rpi6svo60l8j59tjp6e/nesevuvetegowowu.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/afff0693ed6153f021f78db31ca0026c/kagewagego.pdfIn PDF document text
- https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/b038417c49a5ae6221a8e0371579f3ca/rinimitibedoxited.pdfIn PDF document text
- http://garageanything.com/js/upload/files/delulijelupi.pdfIn PDF document text
- http://weforyou.it/userfiles/files/56003180969.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab1821d300---27158854644.pdfIn PDF document text
- http://www.kowel.com/ckfinder/userfiles/files/1627094614.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/322f8cee701cc7d0b210b084b5c43134/defurezejedimaso.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/jafujasagobu.pdfIn PDF document text
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/ffcc1a020fbce1e3f27c9ac2728c17eb/kibuxon.pdfIn PDF document text
- http://ambvetbrashersclavoghisu.eu/userfiles/files/22140662816.pdfIn PDF document text
- http://payassistinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099d72f2f681---pewepozaku.pdfIn PDF document text
- https://livnica-metalurg.com/images/pages/file/67570852248.pdfIn PDF document text
- http://cuatudongsaigon.net/uploads/files/63622175010.pdfIn PDF document text
- http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/54669811034.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/3mgrbttpauht88hiqu9k7b4m9a/72325251718.pdfIn PDF document text
- https://toptenstudy.com/upload/files/BodyFile__60B5926DCCD62.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=theoretical+foundations+of+computer+science+notes+pdfPDF 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_off0000c77e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC77E | 17500 bytes |
SHA-256: 99e719126b816a0be4b60fa42b9eb03d59993125f492c2db11803c7b5e6de3a4 |
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font_01_sfnt_off0000f4d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D0 | 10948 bytes |
SHA-256: 1261263f18a986815110c5f03c473cbcec78bdffa1e8a43c96c51de0dc8d812d |
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font_02_sfnt_off00010dfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DFB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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