MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites and are structured as a link farm. Heuristics indicate these links are intended to lead users to other malicious PDFs, suggesting a phishing or redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to delivering further malware or phishing content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/ea5c3b05c06c0b0d84f5024295877392/fubebotidisoreteseroben.pdf In PDF document text
- http://bazis-expertiza.ru/ckfinder/core/connector/php/files/27372363827.pdfIn PDF document text
- http://bsbcarpet.com/userfiles/file/92752380598.pdfIn PDF document text
- http://centreforeffectivecoaching.com/media/file/pupezalura.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160dfe1bfc3a95---xutejivatadotudedigajedow.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/nofovunufojoraxul.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c89623047a---31160195841.pdfIn PDF document text
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/47b3c55fdfa25cd7a533744e30cc7bab/994208135.pdfIn PDF document text
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/ba351b592c567qtsmijph79llp/riwukuluvujajuf.pdfIn PDF document text
- https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/bs04vjd2kks0l1454jj6uktun6/29756779964.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f9d00cda2d---54002406350.pdfIn PDF document text
- http://olimpic.hu/ckfinder/userfiles/files/20135831211.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/6b8a5775accd69a3d5e6ec5e92dbe70e/82264694257.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f82fe39b60---24910145477.pdfIn PDF document text
- http://msamerica.net/clients/873634/File/ziwimupezizumube.pdfIn PDF document text
- https://eandjfamilyhealthcenter.com/wp-content/plugins/super-forms/uploads/php/files/8e89b8d130dd0b07251da2c3792a24cb/74823737844.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/b617beee1f4b67f04e95090f50020430/momowodegogutum.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090b9b6ee705---84661229627.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=yellow+ringneck+parrotPDF 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_off0000dd68.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD68 | 10544 bytes |
SHA-256: 1d43614a6963e8b7b302f41abde0f013a3e9f6e05c23c1b624685d7d83aa5956 |
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font_01_sfnt_off0000f595.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF595 | 16760 bytes |
SHA-256: a9e2776c2f38387c08ddd673e2eeda9a57fc7ec05c5224c9f58506452d3801d7 |
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font_02_sfnt_off00012154.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12154 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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