MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm or phishing lure. The PDF structure and embedded URIs point towards an attempt to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://cructi.ru/uplcv?utm_term=can+i+go+to+an+american+university+from+england PDF link annotation
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16148dc8a27721---vorujatozagenetugejefabo.pdfIn PDF document text
- http://barrospizzadb.com/uploads/files/81530868171.pdfIn PDF document text
- https://bcbc3399.com/upload/files/61406032122.pdfIn PDF document text
- http://loaamtran.vn/files/usersfiles/files/29753084161.pdfIn PDF document text
- http://rrarental.org/upload/file/sigutumus.pdfIn PDF document text
- http://bienbao.org/uploads/files/228962819.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16143b93b76fe1---jovogulovasexila.pdfIn PDF document text
- https://sdudyogtechnologies.in/ckfinder/userfiles/files/3115620485.pdfIn PDF document text
- http://smartraoptics.com/fck_filemanager_upload/file/dagipejuvajejinar.pdfIn PDF document text
- https://beauti-full.ru/uploads/files/mekamixige.pdfIn PDF document text
- https://uzmanwebci.com/calisma2/files/uploads/83349641581.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/denufunoxewe.pdfIn PDF document text
- https://myparrotfood.com/user_files/files/91651038148.pdfIn PDF document text
- http://xecuoihuyhoang.com/uploads/userfiles/file/66304441962.pdfIn PDF document text
- http://ersenergy.com/UserFiles/file/sanuxoxijotaxojesunojiliz.pdfIn PDF document text
- http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16151b1d4d2787---jifopokaxarufod.pdfIn PDF document text
- https://poulinstrapscan.com/userfiles/file/21728813819.pdfIn PDF document text
- http://thanhcongtechtra.com/upload/files/pofipebotapopubepaju.pdfIn PDF document text
- http://speakingaboutnetworking.com/ckfinder/userfiles/files/gosuvedorosisaxugebozetu.pdfIn PDF document text
- http://letsfinal.com/userfiles/file/41635548911.pdfIn PDF document text
- https://qkon.ca/images/file/19519436793.pdfIn PDF document text
- https://3rproject.eu/ckfinder/userfiles/files/73655761625.pdfIn PDF document text
- http://aftp.bg/userfiles/file/rezenapirurumabobibu.pdfIn PDF document text
- 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_off0000b1a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1A5 | 11132 bytes |
SHA-256: be565aa1a0c7df190c098df15f2bb0c2442ad6260e37ec91ae7f354bcfc06cd7 |
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font_01_sfnt_off0000cb7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB7F | 15548 bytes |
SHA-256: d7e3fb4bbd989cef13bdb0c4228562bf12acb1941b7a569597647d204ab9bc92 |
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font_02_sfnt_off0000f2fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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