MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, with multiple heuristics indicating it functions as a link farm pointing to compromised websites. The PDF contains numerous embedded URLs, many of which lead to unknown or potentially malicious domains, suggesting a phishing or malware distribution scheme. The presence of compromised CMS upload links further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://rpdev.org/ckfinder/userfiles/files/folevexegenizumuxunipop.pdf In PDF document text
- http://premo.at/userfiles/file/42005195967.pdfIn PDF document text
- http://gyuco.com/uploadfile/files/20210816_175228.pdfIn PDF document text
- https://planet-for-events.de/userfiles/file/toxojos.pdfIn PDF document text
- http://pixel-pro.ru/upload/file/61779726801.pdfIn PDF document text
- http://soft-pro.hr/upload/datoteke/58815690423.pdfIn PDF document text
- https://emotionalgift.youngzonejewelry.com/ckfinder/userfiles/files/retewofisozig.pdfIn PDF document text
- https://thehideawayresortpattaya.com/userfiles/files/69896300789.pdfIn PDF document text
- http://abpaluso.com/upload/file/69955719396.pdfIn PDF document text
- http://predit.ru/admin/ckfinder/userfiles/files/9352292234.pdfIn PDF document text
- https://upaspor.com/resimler/files/nurevawugeponupadapoj.pdfIn PDF document text
- https://kopari.hu/files/file/vebafa.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/hllhr86vr63bjfvtrok8mufer0/15841094336.pdfIn PDF document text
- https://vresponse.net/userfiles/file/zalezexolivevo.pdfIn PDF document text
- https://manenshop.com/upload/files/48637889785.pdfIn PDF document text
- http://csc0451.com/userfiles/file/20210802034610_vevwb9.pdfIn PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f4f50d8684---wamapimifazapojumezaxuwe.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160978df3cf473---16713820914.pdfIn PDF document text
- https://omnistopbollards.com/application/third_party/ckfinder/userfiles/files/78373278915.pdfIn PDF document text
- https://nadinerogger.ch/userfiles/files/44924822161.pdfIn PDF document text
- http://ingegnasrl.com/userfiles/files/70164013683.pdfIn PDF document text
- http://reclaimsplus.com/wp-content/plugins/super-forms/uploads/php/files/f38fe0ffd75d3e3c8672c7a98f8f9945/papupenukulusijalesase.pdfIn PDF document text
- http://domgr11.ru/uploads/files/gitomonisupejokid.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=cscs+card+types+pdfPDF 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_off00010a6b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A6B | 18320 bytes |
SHA-256: d91fa2581c1dc9f12767834c416a0c00e17620ccae8af1db014371529a41d896 |
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font_01_sfnt_off00013950.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13950 | 10396 bytes |
SHA-256: 6da207ae286b2e0282d88f8d7594215459159b366efc58955b460f5d1c9604c4 |
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font_02_sfnt_off00015107.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15107 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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