MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, with several heuristics indicating it functions as a link farm. Some of these links point to compromised WordPress sites, suggesting a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or exploiting vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://pasarangroup1.com/contents/files/donoko.pdf In PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/16139a9bdcee06---81560830866.pdfIn PDF document text
- https://receptabc.hu/images_banner/files/21955182038.pdfIn PDF document text
- https://underworldgear.com/upload/users/files/tomudufujonavugiges.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139fac6c38c0---18697102371.pdfIn PDF document text
- http://ideatity.com/ckfinder/userfiles/files/tazipivapegodopedaporal.pdfIn PDF document text
- http://ylplj.com/ckfinder/userfiles/files/najat.pdfIn PDF document text
- http://lehnerkom.de/images/uploaded/file/bezizobekasebakufarir.pdfIn PDF document text
- https://momsgardenfoods.com/ckfinder/userfiles/files/nobamajakazewatuwu.pdfIn PDF document text
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/161307ce0bb309---44035285068.pdfIn PDF document text
- https://a-guskov.ru/uploads/files/57132965551.pdfIn PDF document text
- https://goldengatetaichiqigong.com/userfiles/file/14014078610.pdfIn PDF document text
- http://vincitydata.com/uploads/ckfinder/files/66617783123.pdfIn PDF document text
- https://sonntag-immobilien.lu/userfiles/files/22712405596.pdfIn PDF document text
- http://donleroy.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81577827669.pdfIn PDF document text
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d182fde1ec---61436838258.pdfIn PDF document text
- https://hgqq.hk/tony/churchofgod/ckfinder/userfiles/files/95518148573.pdfIn PDF document text
- https://probidjp.com/ckfinder/userfiles/files/20210909_131914.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=login+form+in+android+studioPDF 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_off0000b254.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB254 | 18316 bytes |
SHA-256: d149c90decd8eb1821c310cc3441f72a92d03d14cf495dbcd7f1bf6b304ece0a |
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font_01_sfnt_off0000e252.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE252 | 10576 bytes |
SHA-256: d401f6cca41c2b31e4df14c3b44a20d38ef9485769e0927356b0bd343bd85964 |
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font_02_sfnt_off0000fa39.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA39 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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