MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded JavaScript and the presence of a link farm pointing to compromised WordPress uploads and disposable hosting suggest an attempt to deliver a secondary payload or redirect users to malicious sites. The document's structure and URL patterns are consistent with phishing or malware distribution campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://gadesign52.com/uploads/files/202109031215027514.pdf In PDF document text
- https://belitour.ir/basefile/belitourir/files/japujazonebu.pdfIn PDF document text
- http://cck-brno.cz/ckfinder/userfiles/files/jisuxelofito.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614093126560d---kuxexutibaxudubogogazizos.pdfIn PDF document text
- http://aweibel.com/Photo/file/kipokozipiwukagodoguba.pdfIn PDF document text
- https://zivotzaokny.eu/res/file/duruna.pdfIn PDF document text
- https://bonekarusa.com/contents/files/4740444143.pdfIn PDF document text
- http://sinching.com/uploadpic/files/202109101204097707.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614df3c057e58---13258825683.pdfIn PDF document text
- http://dralituncer.com/userfiles/file/34997220439.pdfIn PDF document text
- http://nanchang.chinatupai.com/web/js/ckfinder/userfiles/files/roxoxupene.pdfIn PDF document text
- http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/18019404444.pdfIn PDF document text
- http://tbeaindia.com/userfiles/file/xopelusagonesekawus.pdfIn PDF document text
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613f4f0df2f89---moravami.pdfIn PDF document text
- http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f545643b60---97490687238.pdfIn PDF document text
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/705182579a3088a1515178bafd6bd274/sowesilisatovuw.pdfIn PDF document text
- http://medtravel.lv/images/hand_uploaded/files/jenimafexalovujorov.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=job+acceptance+letter+examplePDF 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_off0000a87c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xA87C | 10508 bytes |
SHA-256: efed5f7ceef26cfc01b3f3c6d30ce9ebcdad250eb96f010ae02e8c370a939645 |
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font_01_sfnt_off0000c03c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC03C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000d84e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD84E | 15232 bytes |
SHA-256: 3ea1f2dc68a42de75e244ca8f5c82a0a1fcb3fe54e080283da971cf51144abf8 |
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