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. It also features a link farm pointing to compromised WordPress upload directories, suggesting an attempt to host malicious content or redirect users to phishing sites. The ML classifier strongly indicates malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9a0aa6e8a---mukikevemivuxixa.pdf In PDF document text
- http://salon-urody-bellis.pl/images/file/55179572473.pdfIn PDF document text
- https://www.kasekimi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3921e7daf---97170352307.pdfIn PDF document text
- https://bishopsalamatkhokhar.org/userfiles/file/83454706684.pdfIn PDF document text
- http://bsbcarpet.com/userfiles/file/70316818592.pdfIn PDF document text
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/9fbca4fc35cd8ceda259e14f81ee23e1/jewerabudatuvuxalakebeno.pdfIn PDF document text
- http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/laluzuwifixupijoboka.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/87e939547cc6644b4f4b979901b2ca4a/joveg.pdfIn PDF document text
- https://cleartunemonitors.com/ckfinder/userfiles/files/konepiruvizofa.pdfIn PDF document text
- https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/5c7dddeea5bda30fe0b54047c5178791/giwuganivogutevaze.pdfIn PDF document text
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f502c3699d2---13168103081.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/ncmpq3oqiotsn8skmdio5f3p72/50835096091.pdfIn PDF document text
- http://lhs75.com/clients/46937/File/batujifurigazowa.pdfIn PDF document text
- https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160820a2f2c7fa---jowebu.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/eghrq4na05hkp47gp0fmchcon4/96786765219.pdfIn PDF document text
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/dpd51aldc50b51ofk52a80mcu6/wukitile.pdfIn PDF document text
- http://aviapartner.biz/js/ckfinder/userfiles/files/zojekatemofawet.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=an+introduction+to+film+genres+free+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_off0000ece3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECE3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000104fa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104FA | 10884 bytes |
SHA-256: 85591d2643d81c9fb31e9b4ce72cbd3262406ac2b4b2d012cdf2f884ff6dd906 |
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font_02_sfnt_off00011df5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DF5 | 18172 bytes |
SHA-256: a1900341d66179da8560b888d753aa94033bfd1eab64fa0ab9be8ebba55abc3b |
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