MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF acts as a link farm, directing users to multiple external websites, some of which are hosted on compromised CMS uploads or disposable domains. The presence of numerous unknown URLs suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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 https://euinsuti.ro/app/webroot/files/userfiles/files/51046589792.pdf In PDF document text
- http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/6de6cfb573ce6d0f84e0169aebce102b/baxivonenufarorusajut.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/16141bf23c15a5---jawido.pdfIn PDF document text
- http://www.eurosecurimed.com/ckfinder/userfiles/files/nedoxuroterezuno.pdfIn PDF document text
- http://sayarbobinaj.com/file/lajejoxogijavavogonipi.pdfIn PDF document text
- http://groupkaishan.com/d/files/nofakizogovogetuxuwekinav.pdfIn PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/373b149d678144226aa01900f9beb7e6/76650568278.pdfIn PDF document text
- http://cerritos.songhakbbq.com/uploads/files/57825946179.pdfIn PDF document text
- http://ppogrimall.com/upload/editor_image/file/96572967076.pdfIn PDF document text
- https://regaluxiluminacion.com/uploads/assets/file/papofuzaxojaduxusiv.pdfIn PDF document text
- http://porpora.group/imagenes/imagenes_contenidos///32383732168.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/bf1njt2u2dqhppdqiprf5rg567/donituku.pdfIn PDF document text
- http://podarox.ru/public/files/femamej.pdfIn PDF document text
- http://ettermanenterprises.com/ckfinder/userfiles/files/59093051630.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/22342633289.pdfIn PDF document text
- http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa7c27142c---8821378868.pdfIn PDF document text
- http://pharmorgsyn.com/upload/files/suvako.pdfIn PDF document text
- https://manorhair.com/uploads/files/202109040949169622.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161366a47e2689---11409859015.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/3283d643d31b20de77413bf4ec0ba2cb/36974523222.pdfIn PDF document text
- https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/jaxukowix.pdfIn PDF document text
- https://satbietthu.com/luutru/files/95055071971.pdfIn PDF document text
- http://chinazzjx.com/d/files/75408643916.pdfIn PDF document text
- http://ingenermarket.ru/userfiles/nixozejuwozewad.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=online+battle+royale+browserPDF 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_off0000b05f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB05F | 10464 bytes |
SHA-256: b67cae1cbaf2599a54ecad42b0c830d1fd0e999c0cd1a523e1f264d67ff6556c |
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font_01_sfnt_off0000c85e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC85E | 15172 bytes |
SHA-256: 9730cdcab84b9f3102ac0dea9b13d7e326d04a12c1f9a1b4feb793d59ea5c254 |
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font_02_sfnt_off0000eecb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEECB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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