MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains a link farm pointing to multiple unknown domains, suggesting an attempt to redirect users to malicious content. The presence of multiple external URIs and a link farm heuristic indicates a likely phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://kystop.com/wp-content/plugins/super-forms/uploads/php/files/542ca7e53bf131b656b463b34a6e93e5/wabukanelinoku.pdf In PDF document text
- http://twtime.com/uploads/files/202109151426252619.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210903231201.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/lifobodirapujiwuj.pdfIn PDF document text
- http://telektrans.hu/editor_up/57968979216.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/nufupesibagok.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/82370616621.pdfIn PDF document text
- http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/26387291068.pdfIn PDF document text
- https://kclandscapes.com/ckfinder/triplebuserfiles/file/kaxetobasikizorukokun.pdfIn PDF document text
- https://bywuf.org/upload/editor/files/23537909743.pdfIn PDF document text
- http://autofox.lt/ckfinder/userfiles/files/20952421876.pdfIn PDF document text
- http://4bx.pl/public/file/sitozixinopemilurevag.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/36gba72g6qvqjdvndpb50vjk71/begabaxogotesixuxemofa.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/62360329849.pdfIn PDF document text
- https://regiefranchet.fr/userfiles/files/dujave.pdfIn PDF document text
- https://hensuyenpqa.traigiongthuha.com/ckfinder/userfiles/files/72854419871.pdfIn PDF document text
- http://studioprogettoarchitettura.eu/userfiles/files/motafuwoxik.pdfIn PDF document text
- https://transport.frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/27317638882.pdfIn PDF document text
- https://cursosadistanciayonline.com/medios/files/17229319037.pdfIn PDF document text
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16140cad3815b5---nakowagopoporiw.pdfIn PDF document text
- http://millecolori.it/images/file/13489652459.pdfIn PDF document text
- https://alaqart.atelierleuthold.ch/userfiles/files/fixila.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=how+to+use+game+killer+without+rootPDF 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_off0000d6c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD6C4 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eedb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEDB | 10720 bytes |
SHA-256: 81349180eeee4cb665763e0780b69f5247286d9763458f83ed772327e097c2a9 |
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font_02_sfnt_off0001077f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1077F | 18204 bytes |
SHA-256: 48d52f3ef9a398973452f7f99b58dc83f3026b1fa71f23d69cafea806caf3458 |
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