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. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting an attempt to redirect users to malicious sites. The embedded URLs, while some are marked benign, are part of a larger pattern of hosting potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/9aa69f96870c8ef87e4cd6c4c01f5f2c/40801684222.pdf In PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/893d8d5a9c78958be22a60d94c94daea/novabuxu.pdfIn PDF document text
- https://weborder.cloud/userfiles/file///49463594329.pdfIn PDF document text
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c72588a74a---dikume.pdfIn PDF document text
- http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b6810e9267c---dejabede.pdfIn PDF document text
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/tinoleludeku.pdfIn PDF document text
- https://ihotel2b.com/upfiles/editor/files/10669002411.pdfIn PDF document text
- https://guapa2.com/admin/fck/file/49446157359.pdfIn PDF document text
- https://champion-osk.pl/userfiles/file/venusaxetofajok.pdfIn PDF document text
- http://www.contal-farmer.com/uploads/files/widowu.pdfIn PDF document text
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160d015528fa62---32376484918.pdfIn PDF document text
- http://benrassam.com/uploads/files/52915212820.pdfIn PDF document text
- https://santchavarabed.in/ckfinder/userfiles/files/52929329933.pdfIn PDF document text
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16081c5c4e2d81---nugibafikegex.pdfIn PDF document text
- http://koopmankennedyfeller.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lixupuvebofuzeforujufow.pdfIn PDF document text
- https://calmoinc.com/upload/editor/file/segufunu.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210503145919088.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608307e6cad4a---kiberakir.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/v757jk6b5kqvnpj30trkoit37o/13446251826.pdfIn PDF document text
- http://www.dramayaramendes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607259b238308---pomejamawapuje.pdfIn PDF document text
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1599eb70d---norarareziduzenuwolored.pdfIn PDF document text
- https://sip7.pl/autoinstalator/sip7.online/wp-content/plugins/super-forms/uploads/php/files/0d124e72b0a229adea142bae89ca4184/8801353158.pdfIn PDF document text
- http://centralgiving.com/media/userfiles/file/11460810849.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080b1cd9776b---73928358996.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=how+to+prepare+detergent+soapPDF 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_off000170fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x170FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00018910.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18910 | 17292 bytes |
SHA-256: 3fe617d95d2b01ec64a034a548fc73b260882913ba24d1782b41a682fc62e71c |
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font_02_sfnt_off0001b5cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B5CB | 10508 bytes |
SHA-256: e951071e1747e24d03adec77d37dfc94d13faee38f3172892ed5731e457f69a0 |
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