MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript and a large number of external URIs, many of which point to compromised WordPress uploads and disposable hosting, indicating a link farm designed to redirect users. The embedded JavaScript likely facilitates the redirection or exploits vulnerabilities, contributing to its classification as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 http://otelm4b.ru/admin/ckfinder/userfiles/files/kumozuzefidofemefaje.pdf In PDF document text
- http://amadpich.com/userfiles/file/29072958361.pdfIn PDF document text
- http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/4079088881.pdfIn PDF document text
- https://dubaimotorcycletours.com/uploaded_images/files/faziwivujowi.pdfIn PDF document text
- https://himalmanpower.com/ckfinder/userfiles/files/tuwulelojamemerisubibegag.pdfIn PDF document text
- http://glenbrooksouth1970.com/clients/1/17/17fc1bd13d5538a69f39d58c869d2fc5/File/77147953134.pdfIn PDF document text
- http://bbpcosmetics.com/admin/upFiles/2021-5/file/26797957210.pdfIn PDF document text
- http://niestachow.pl/data/aktualnosci_imgs/file/zunopisejow.pdfIn PDF document text
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a98b61ab114---bufekotiru.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608143910e551---32812015916.pdfIn PDF document text
- http://www.urbanwaterways.info/files/jowepilizemezufova.pdfIn PDF document text
- http://hrt-foto.hu/_user/file/45024500872.pdfIn PDF document text
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a926cb69c65---77405818411.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160737f78d0a57---14898446461.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607c028c8e6bf---zirusugarelezago.pdfIn PDF document text
- https://pediatricpotentialsnj.com/PP/PPpng/files/10431195719.pdfIn PDF document text
- http://gold-carsales.com/js/upload/files/29828426344.pdfIn PDF document text
- https://angkoronetour.com/userfiles/file/jaxivawasani.pdfIn PDF document text
- http://bvsaigonbinhduong.com/uploads/files/zemuzijezisikirumasixo.pdfIn PDF document text
- http://yavuzselimvakfi.org/resimler/site/files/45318536635.pdfIn PDF document text
- http://seabeachthailand.com/UserFiles/file/tabujonimobikawidosufefe.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d533752b466---lexugowebavuvetefanag.pdfIn PDF document text
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c14641a87e9---72949403204.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=the+hunger+games+book+1+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_off0000ca99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA99 | 17068 bytes |
SHA-256: 82ee3c862eae69f49d87db66fa92372be8e5b11dd6cf482cd7a34cbdfa56c0ab |
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font_01_sfnt_off0000f672.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF672 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E89 | 11056 bytes |
SHA-256: c1e4cf82c4a722c34ae3ee5bb0b8affc818147c702941d425a0fbc1361245ae2 |
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