MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The presence of these links and the nature of the hosting indicate an attempt to lure users to external, potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408c3203763---xofopalux.pdf In PDF document text
- https://kolegium.inaheart.org/upload/files/kifalodima.pdfIn PDF document text
- http://teleserviciomalaga.com/ckfinder/userfiles/files/6949638856.pdfIn PDF document text
- https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/161404e13d5639---31497004931.pdfIn PDF document text
- http://intrinhgia.com/admin/webroot/upload/image/files/19066011581.pdfIn PDF document text
- http://2446665a.ru/ckfinder/userfiles/files/30724799017.pdfIn PDF document text
- https://atrax.eu/userfiles/file/13761627014.pdfIn PDF document text
- https://adikkeempat.com/contents/files/40169621313.pdfIn PDF document text
- http://ver9ctrl.sonikgps.com/ckfinder/userfiles/files/boxuxomurexiseti.pdfIn PDF document text
- http://www.taimaobi.com/admin/ckfinder/userfiles/files/76365359776.pdfIn PDF document text
- http://sutipatika.hu/userfiles/files/zatikebefebazaketu.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/1a28dea07c44b67d011c9ed65375c7a4/82075317978.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/262ed55df56807822ecb6670b6ad448c/43594277487.pdfIn PDF document text
- http://sentai.cc/data/file/20210915_214436_860.pdfIn PDF document text
- http://usa-ex.com/images/blog/file/29553453539.pdfIn PDF document text
- http://abdon.madteam.net/ckfinder/userfiles/files/39064457456.pdfIn PDF document text
- http://pentas.eu/userfiles/file/xobufojiwimovaxeroketeka.pdfIn PDF document text
- https://yuanfuconstruction.com/ckfinder/upload/files/wedurasimutunugovilex.pdfIn PDF document text
- http://speckrepej.com/upload/file/57442752867.pdfIn PDF document text
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16138199c0a0e0---36588805439.pdfIn PDF document text
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f204ba9bba---40879432243.pdfIn PDF document text
- https://wineuniverse.us/userfiles/file/49026704328.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=pk+xd+unlimited+money+and+gems+apk+downloadPDF 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_off0000bf23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBF23 | 16944 bytes |
SHA-256: 72a0a0dd72e7d835f7bb5dd0ab636fea2f4e522c9ce5efc26efa4288d2e280d9 |
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font_01_sfnt_off0000ea73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA73 | 11132 bytes |
SHA-256: 4b959708138c78cb444febebe8e535e6888dd2d176e4ec8b34adb71ce2e33d92 |
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font_02_sfnt_off00010452.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10452 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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