MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many pointing to websites that appear to be compromised CMS uploads or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://tecresconsolidamentorestauro.it/fck_data/file/96562580544.pdf In PDF document text
- http://eptesteplelek.com/uploads/file/97262797171.pdfIn PDF document text
- http://ewtch.com/upload/files/vifesa.pdfIn PDF document text
- http://sowiik.pl/userfiles/file/69302535284.pdfIn PDF document text
- http://vivaibonomo.it/userfiles/files/safojifaxudevanejirip.pdfIn PDF document text
- http://yameitecl.com/ckfinder/userfiles/files/20210905_215914.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae9815e124---55724744467.pdfIn PDF document text
- https://axlthailand.com/imagexx/files/vexosuda.pdfIn PDF document text
- http://coffee33.ru/archive/file/47422995075.pdfIn PDF document text
- http://fosterfreezesantarosa.com/uploads/files/jebuno.pdfIn PDF document text
- http://werkkledingverkoop.nl/images/docman/files/linifipofilu.pdfIn PDF document text
- https://sysyanginguvenlik.com/uploads/files/42144426195.pdfIn PDF document text
- http://jutaek.humenia.com/upload/userfiles/2021/09/files/210916041258.pdfIn PDF document text
- https://jaukiaplinka.lt/ckfinder/userfiles/files/89032948612.pdfIn PDF document text
- http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145a4bb9b246---rokogu.pdfIn PDF document text
- http://richmediahouse.com/admin/uploads/file/37283364347.pdfIn PDF document text
- https://12waktu.com/contents/files/rusuvegawizilazixozeparej.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613533e0a0aba---barejigevak.pdfIn PDF document text
- http://lateonsettay-sachs.org/userfiles/file/nodowad.pdfIn PDF document text
- http://sanarina-coaching.de/ckfinder/userfiles/files/12325752176.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/befotudenotijanejifura.pdfIn PDF document text
- https://soudureornementalelauziere.com/upload/editor/file/49901607274.pdfIn PDF document text
- http://rotarylaspalmas.org/documentos/file/99646766885.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=best+optimized+android+phonePDF 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_off0000eed0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED0 | 10724 bytes |
SHA-256: 207e63825f31bcfb72c27915b6033ecc375d81ff447fb77029db021aa3ca87cb |
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font_01_sfnt_off0001074d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1074D | 18408 bytes |
SHA-256: e8c0c4d37a72300383c60f8e3f0a05dda6801a70a0c856af0bf2ad9785ec5971 |
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font_02_sfnt_off00013748.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13748 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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