MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites. These links likely serve as a lure to trick users into visiting malicious domains, potentially leading to further exploitation or phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/16095a857d93f6---muvatoxoxinovarixim.pdf In PDF document text
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075be3389863---barututowofop.pdfIn PDF document text
- https://stpeterscbs.ca/ckfinder/userfiles/files/41383292871.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/1629ea90aa31f0dbea2abeaa813860ce/21920903145.pdfIn PDF document text
- http://yangpupark.com/uploadfile/files/vinirigakofadezizobadu.pdfIn PDF document text
- https://asiarsolutions.com/userfiles/file/dumulagedujofatutugas.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/656c00de7e10ff1bc7941815e562ae3a/wirop.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b467e12bf4e---kolujemuxebaxo.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/402b744d9e4169d6d9239b1e31d80c8b/xikepebutopuros.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a02e8aca015---82230228049.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/1e23fa69a97eb0a89f5bf16ab8519578/zakebegogimavedufe.pdfIn PDF document text
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/68ff0994610f1172f540d2ff8e7bdda3/murumizu.pdfIn PDF document text
- http://antae.be/app/webroot/uploads/file/10521396402.pdfIn PDF document text
- http://spoilersmensgolfclub.com/clients/865201/File/31313022910.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c8ee5d70bac---witidumudemixivabimijeb.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=agricet+bit+papers+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_off0000e7fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010010.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10010 | 16916 bytes |
SHA-256: 604b22aa449d4eeabc86fd5d26cf87b3699a7a49dfd00645fb7878af3be803e7 |
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font_02_sfnt_off00012c5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C5B | 10644 bytes |
SHA-256: 8bafb7d013238932808b2c5750f2d912af04039be6a04c20343b010a18e0856b |
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