MALICIOUS
154
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. Heuristics reveal it functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload directories and disposable hosting. These links likely serve as lures to phishing sites or malware downloaders.
Machine Learning
- Nyx PDF Classifier malicious score 0.5517
Heuristics 5
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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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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://castilloexterior.net/ckfinder/userfiles/files/25843457740.pdf In PDF document text
- https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/f4d84fd7dc020857f1cb82b1af3f481b/futoguluxejagajexutusivu.pdfIn PDF document text
- https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/cc3a6c63f144b32985ebfa8ad536f931/jabamegigenepok.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec9466872a---nakokumabuvulemapixevapas.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a53ce5c6adc---bizuvobupat.pdfIn PDF document text
- https://vuaship.com/wp-content/plugins/super-forms/uploads/php/files/49gf02moqurajgadpnrj6bkt2k/lavofobavogunevumezepofew.pdfIn PDF document text
- http://csc010.com/userfiles/file/20210629015242_p8jexb.pdfIn PDF document text
- http://southfieldhigh1973.com/clients/2/27/27a5067865c8334ad4a5a1fd7642c928/File/pedipu.pdfIn PDF document text
- https://kvgrup.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16079ec1a415f7---mumatakowaraj.pdfIn PDF document text
- https://questyme.ca/userfiles/file/61592403845.pdfIn PDF document text
- https://floridaholidayplanner.com/wp-content/plugins/super-forms/uploads/php/files/1c2606811465370e7391fc510036f280/furedimedosikoner.pdfIn PDF document text
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160e6529f5501e---33941354382.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6ab06e14d---86546289714.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca922b4388---tiwosisev.pdfIn PDF document text
- https://fishuntpesca.it/file/10031659911.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607fe02a352f8---pelinijewogurupovivu.pdfIn PDF document text
- http://agrobud.net/uploaded/file/sixulisaxakili.pdfIn PDF document text
- https://fentesmakina.com/paket/upload/files/zanerutosogorimafajojo.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e18035e830c---32156035799.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097673010cb3---nudozujodin.pdfIn PDF document text
- https://bloomland.com/sites/bloomland.com/files/digelura.pdfIn PDF document text
- http://qhzs88.com/admin/fckeditor_upfiles/file/2021060802521980554.pdfIn PDF document text
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/2182f6de99dc9b150c8d3183862f3189/84062687644.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b2637950e7---tuvasixuruvodelujum.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac197e91d6a---92538935951.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=how+to+find+the+slope+of+the+graphPDF link annotation
- 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_off0000c5cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5CF | 10856 bytes |
SHA-256: 36cebf8f6d8da48de1ef0fd783a5ee60562c1b397d5d39a76530c4b7e5a43fe4 |
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font_01_sfnt_off0000de9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE9B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f6ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6AD | 16492 bytes |
SHA-256: 780a08a478c321c1702d9a3dfac1ea976b964277b1895c129bb46e8081e02f93 |
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