MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, and exhibits characteristics of a link farm. Multiple heuristics indicate the PDF contains numerous links pointing to compromised WordPress upload directories, suggesting a phishing or malware distribution scheme. The presence of these links and the compromised hosting infrastructure are the primary indicators of malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6cce4eeb66---kunanikanosukimetak.pdf In PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6ff620ddd---77680820480.pdfIn PDF document text
- http://servmed.net/userfiles/file/88542706055.pdfIn PDF document text
- https://auto-rujo.com/images-editor/file/kapozabifowetegoxet.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/0a0c407ede3a0eb7e05252a3fe0b782c/8573748325.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c38fd12d47e---81924392356.pdfIn PDF document text
- https://masterjobintl.com/ckfinder/userfiles/files/bofimekuxebapakobotudow.pdfIn PDF document text
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/544d7ef6627e4b27f23f43dd55b90426/95329727990.pdfIn PDF document text
- https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/16b1d3dd38986be33dbbd5a6590e15e1/tesiboponunigosi.pdfIn PDF document text
- http://xn--80aadq3ae7aa5k.xn--p1ai/upload/file/wenaxosiv.pdfIn PDF document text
- http://fritz-fahrlaender.ch/download/bamafu.pdfIn PDF document text
- http://anupbolivia.com/images/files/98300167093.pdfIn PDF document text
- http://andlupa.com/userfiles/file/7257064324.pdfIn PDF document text
- https://stegopackaging.com/wp-content/plugins/super-forms/uploads/php/files/df9tdndc2mqhjhsq262ou32l5u/78313159496.pdfIn PDF document text
- https://ckmandarin.com/uploads/34333529229.pdfIn PDF document text
- http://skrabl.pl/www/rpbd/fck/file/90717870753.pdfIn PDF document text
- https://camgloberealtor.com/userfiles/file/ninifa.pdfIn PDF document text
- http://fotobambagiotti.it/userfiles/files/4058781651.pdfIn PDF document text
- http://waypl.pl/upload/File/21368464473.pdfIn PDF document text
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160827e6a78245---65619643180.pdfIn PDF document text
- https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee8d278d0f---78380475632.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a688dc7caa0---62413126939.pdfIn PDF document text
- http://first-group.kr/ckupload/files/82162027208.pdfIn PDF document text
- https://baileyelectrical.services/wp-content/plugins/super-forms/uploads/php/files/eiolm3e191ptn9l31g3cipn8ts/fivubukazerozozuderez.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=physics+internal+assessment+examplesPDF 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_off0000e96e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE96E | 16308 bytes |
SHA-256: 6f3e41c11272a9bda43e1532a13890790be308f20f2f0d5b5b98068c00df5ab9 |
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font_01_sfnt_off0001139e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1139E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012bb5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BB5 | 10736 bytes |
SHA-256: 6344866d0797a62d13e8bff7fcd3cb78913fee976bc4e796176be08490389a0b |
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