MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to potentially compromised websites and disposable hosting, indicative of a link farm used for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is heavily obfuscated and appears to be non-readable content, further supporting the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
Heuristics 6
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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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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://rpdev.org/ckfinder/userfiles/files/9199555473.pdf In PDF document text
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/fd710fb8dd92ad367be2b3a24c8914c4/pewamapugigonunapubifa.pdfIn PDF document text
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/beab95ddfdf955e5fc010c0f39e2464f/golewevesus.pdfIn PDF document text
- https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/6820d0bb8e229a3ec477488daeff054a/jubosar.pdfIn PDF document text
- http://108homed.com/userfiles/files/64858547502.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/diberuxuwodozaw.pdfIn PDF document text
- https://avvocatoboretti.it/file/67451074594.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078f10582248---32260404001.pdfIn PDF document text
- https://ispartaorganizasyon.com/ckfinder/upload/files/vafiduw.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/1jliukfldr0nkn8dl335oorf5n/19749203051.pdfIn PDF document text
- http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d1cb1511f66---zugulasokujokolaraxolowe.pdfIn PDF document text
- http://cesnek-vysocina.cz/UserFiles/File/panurumexuboxixedajezokom.pdfIn PDF document text
- https://freedomtampons.com/wp-content/plugins/super-forms/uploads/php/files/5755ccc2cd3e4f3b16eb73b6b4a2dbaa/wabepupazifezuzibodorolek.pdfIn PDF document text
- https://chiataiec.com/userfiles/Proj_Name//files/bijobajuxef.pdfIn PDF document text
- http://artsar.pl/userfiles/file/wugovonokokawoxuwobexon.pdfIn PDF document text
- https://www.jakketoes.be/ckfinder/userfiles/files/risokaziloxanorubu.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bf9449916f---6169117671.pdfIn PDF document text
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/08ec21a2a0664d350332a441ae6516a2/96800258400.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16076cbec8b367---14254885447.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/160965db4f0472---tafeledoripasizefato.pdfIn PDF document text
- http://druckmaschinenservice.com/uploads/fce/files/27699321793.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/1094abf88a2bc0535bb243df382bdcb5/86503995406.pdfIn PDF document text
- http://russia-ex.com/fujenozusavoku.pdfIn PDF document text
- https://thehero88vip.com/ckfinder/images_store/files/50743806666.pdfIn PDF document text
- http://urbanconstructions.org/images/uploadedimages/file/pibagunuzumebupuzenaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+write+a+good+self+introduction+for+interviewPDF 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_off00010d10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D10 | 10892 bytes |
SHA-256: ad692ba2f290385b5bddee6bd6a184b58ffe953f4b7262cb69a254310c675488 |
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font_01_sfnt_off00012632.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12632 | 17512 bytes |
SHA-256: 35c85eee73732522617f45c37c8b170fcb75c4d9e0c1380e9e9a14f62a75bff1 |
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font_02_sfnt_off00015371.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15371 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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