MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed for malicious redirection. ClamAV detected this file as Pdf.Phishing.Trojan, and ML classification strongly suggests malicious intent. The presence of multiple external URIs and a link farm heuristic supports the conclusion that this document is intended to lead users to potentially harmful websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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 http://al-bandak.com/userfiles/file/vopujixotak.pdf In PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/f7cbd2e8247ff1d1ad077ff64361e416/zadewibosafotozaruvejoxif.pdfIn PDF document text
- https://underworldgear.com/upload/users/files/9448317101.pdfIn PDF document text
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6f6e6b5986---57489741774.pdfIn PDF document text
- https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/e14ce13ae942fd20bc89de662d0e0387/pesadifusi.pdfIn PDF document text
- http://skncn.com/u/files/fisoguf.pdfIn PDF document text
- http://2016montemayorreunion.com/clients/e/e5/e530e98a7ee505477716bae2fe71cdef/File/zurixaj.pdfIn PDF document text
- http://vistobrasil.net/uploads/file/luxenadurikujine.pdfIn PDF document text
- http://kowel.com/ckfinder/userfiles/files/1622789110.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/86023b4c49e4eac225a4ccdae0c610bc/zenigajixerovoxe.pdfIn PDF document text
- http://tccsrl.org/userfiles/files/wodepog.pdfIn PDF document text
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/32alce3b6cgfpb6g2tep9k23p2/fobagulazezete.pdfIn PDF document text
- https://mytopics.it/uploads/file/78662725983.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cdecd83cf83---3316183849.pdfIn PDF document text
- https://www.asahinafunnels.com/wp-content/plugins/super-forms/uploads/php/files/80td64d0ur4ht7j80969lsed1r/89891813817.pdfIn PDF document text
- https://welltowork.org/wp-content/plugins/super-forms/uploads/php/files/e732eb79458bfac56eed1120d1137cd1/tamotepinajeledere.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/91688783210.pdfIn PDF document text
- https://samngaimarble.com/html_upload/file/leweguxizidurapiwe.pdfIn PDF document text
- http://gymostrov.org/gymostrov/userfiles/file/fosovuvuwat.pdfIn PDF document text
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608b9f5b0a303---71436802446.pdfIn PDF document text
- http://wecans.net/_UploadFile/Images/file/33911927396.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16103e1e8ad90d---likejigujid.pdfIn PDF document text
- https://samsunyapi.com/userfiles/files/vobininaji.pdfIn PDF document text
- http://accessprecision.com/userfiles/file/xupelas.pdfIn PDF document text
- https://sailstudy.in/ckfinder/userfiles/files/58769902755.pdfIn PDF document text
- http://proxima-design.cz/files/file/gizifisab.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=french+verb+conjugation+chart+lirePDF 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_off0000fd39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD39 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011550.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11550 | 10756 bytes |
SHA-256: 732b4d7ad2d1c87ed8ae56bbb77214845f6c9af9fe2a70f25dbb811de7bd5623 |
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font_02_sfnt_off00012de3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DE3 | 19052 bytes |
SHA-256: ac23aaaf84106c06450847d2044e93c6a9756a91151527f7f93757950df6c651 |
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