MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and multiple external URIs, many of which point to compromised WordPress sites hosting PDF files. These links form a link farm designed to redirect users to potentially malicious content, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/161353b3335f67---97141223763.pdf In PDF document text
- http://srilakshmienterprises.net/uploads/90773230649.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144ee8e3adda---lovubiramukaru.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1602434b9---kelomerobisitimonanazopa.pdfIn PDF document text
- http://frutapac.es/ckfinder/userfiles/files/vunonizikazu.pdfIn PDF document text
- http://honmamon-s.com/img_seminar/userfiles/file/dawozofum.pdfIn PDF document text
- http://motopujcovnateplice.cz/userfiles/file/64369616412.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/745872d690ccace4926e8757702e4374/89643471879.pdfIn PDF document text
- https://isigakizima.net/img/tmp/file/davugibotejonizegotaxub.pdfIn PDF document text
- http://ciaomamma.hu/editor_up/kevopuvak.pdfIn PDF document text
- http://magicfood-cn.com/files/20210910085242.pdfIn PDF document text
- http://conhantaoankhanh.com/webroot/img/files/wizox.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141452f2098f---28976817460.pdfIn PDF document text
- http://professional-tuner.at/uploaded/file/fowexazovukulo.pdfIn PDF document text
- http://nazycakes.com/userfiles/file/70598601456.pdfIn PDF document text
- https://galerie-louise.be/userfiles/files/61874732292.pdfIn PDF document text
- https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/wegifepa.pdfIn PDF document text
- http://ecohort.com/userfiles/files/20893282475.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614069ba186fa---sitebagiruxavaru.pdfIn PDF document text
- http://lightningriskassessment.com/ci/userfiles/files/27259819317.pdfIn PDF document text
- http://bantinnhadat.com/users/files/nosapim.pdfIn PDF document text
- https://tabularasa.lv/sites/tabularasa/uploads/documents/files/xusetozuvususafimov.pdfIn PDF document text
- https://hattshopping.com/admin/assets/images/ckfiles/tekigetebatezugekaro.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=mario+run+apk+all+worlds+unlockedPDF 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_off0000c1d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1D3 | 17288 bytes |
SHA-256: 559df28b5a17bdbb7a6514fe688d3d31d16a09f87e020fc4d8c9e51f8af5be15 |
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font_01_sfnt_off0000ee46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE46 | 10680 bytes |
SHA-256: ee3db864ec798ff39b7e3fe27645e26c819b01c106adbefdc725dcd51f03c5c3 |
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font_02_sfnt_off000106ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106ED | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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