MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. The presence of a link farm on potentially compromised WordPress uploads and disposable hosting further indicates malicious intent, likely for phishing or malware distribution. ClamAV detection and ML classification strongly support a malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://kompletucetnictvi.cz/files/file/mewanubepegumejokulixebip.pdf In PDF document text
- https://drrajanmahtani.com/userfiles/files/vuzer.pdfIn PDF document text
- http://jplus-ag.com/upload/files/BodyFile__60ECA78D1D420.pdfIn PDF document text
- https://www.olympusnorge.no/wp-content/plugins/super-forms/uploads/php/files/hd1r607h0f66j10gds2h76t8g4/26395348164.pdfIn PDF document text
- http://mahnomenalumni.com/clients/879209/File/18821424919.pdfIn PDF document text
- http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608560bce05e1---34007684453.pdfIn PDF document text
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/8it4jl20lpu42lklavt9bf7olf/difod.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c6be3518f2---19251052377.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093aef25a9f9---26792877309.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/4f4ukrrebrq17sm5g378d30551/52478041335.pdfIn PDF document text
- https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/sa5h3g3l2gnbmbte9fq8upi3lp/22999503174.pdfIn PDF document text
- http://pn-tech.net/userData/board/file/25948291279.pdfIn PDF document text
- http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/86891294728.pdfIn PDF document text
- https://emprenderem.cl/files/nizivulidi.pdfIn PDF document text
- https://widepolymers.com/userfiles/file/puzonifi.pdfIn PDF document text
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b8dbb4c25---88453251947.pdfIn PDF document text
- https://bettyloupaints.com/userfiles/files/70455472211.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b493c963cc8---17065631702.pdfIn PDF document text
- http://sakem.org/userfiles/files/lusuwuforu.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/6f876vfcdbjekppoh1h8krmg85/xelanefu.pdfIn PDF document text
- https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c14b1b9b7c7---zinunovolabirivi.pdfIn PDF document text
- http://muslimofwestbengal.com/mwb/editor_upload/files/goxamoxikofurelapisuvivel.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a318ed3d557---65820763942.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/qvqpmnptrh8sfiqopb7rp44im4/lowab.pdfIn PDF document text
- http://carscaso.com/js/upload/files/94011425983.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+get+more+wickets+in+stick+cricket+super+leaguePDF 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_off00010c85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C85 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001249c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1249C | 10984 bytes |
SHA-256: d8633a3258d6a99a575e4a94fed2cbe7a75f9aa1f8cae053c9593dff8b50ae0e |
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font_02_sfnt_off00013e1f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E1F | 16772 bytes |
SHA-256: 921ce749b6d9f3b6f42794de79a2a901fb775f82f84a10776db4f8b8bc197615 |
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