MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. It contains embedded JavaScript and a significant number of URLs, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users. The embedded JavaScript likely facilitates the redirection or further payload delivery, contributing to a phishing or malware distribution attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 https://synerhu.ru/uplcv?utm_term=ghosting+someone+meaning PDF link annotation
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d5b0de2c4f---xelamosevetes.pdfIn PDF document text
- http://sincaremedicaltour.com/js/upload/ruliniva.pdfIn PDF document text
- http://pierrevillers.fr/mairie_files/file/96442024041.pdfIn PDF document text
- http://vimbark.sk/editor_uploads/files/namixofunewikuganabered.pdfIn PDF document text
- https://alarrabnews.com/images/content/content/file/xoxevaselowujupema.pdfIn PDF document text
- https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/637f2e49c951657fe9872e7d70a11588/kajemepogodane.pdfIn PDF document text
- http://zuche0551.com/upload/file/32450277908.pdfIn PDF document text
- https://rjiminfra.com/wp-content/plugins/super-forms/uploads/php/files/036c57f1f8228d8b21c8434943f94386/91302802499.pdfIn PDF document text
- https://watertorens.nl/userfiles/file/zafedetej.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160acdce972c2b---98140720462.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/d1ceb8548b8cb087c6a4179ddbbad06d/kolubuxuda.pdfIn PDF document text
- https://doitsolutions.co/wp-content/plugins/super-forms/uploads/php/files/bcade97ac79da2581b677eefab41b45d/duratunulomalime.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608594543f68a---58638375401.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094492959d8d---99757998552.pdfIn PDF document text
- http://pi-consulting.ch/download/pupovumesowedawiviv.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/1609a446416de2---23332081135.pdfIn PDF document text
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/1609e67199d782---davijapezedelelapu.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/zavugawumotaxusudojuloz.pdfIn PDF document text
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d8187e391e7---fobedejubuwajorubelokodu.pdfIn PDF document text
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/bf7e819e9b4887edfbd6809facd64ce4/33941213159.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b79da2f16ce---62526423675.pdfIn PDF document text
- http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078674863590---magirew.pdfIn PDF document text
- https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160992082b67ef---17632106.pdfIn PDF document text
- http://mbcasc.net/imgs/file/85081105205.pdfIn PDF document text
- http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606d383505e22---lamurelubabupisole.pdfIn PDF document text
- http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/540ead056235b438ffa4aa91e0bbbab4/25199290255.pdfIn PDF document text
- https://feng-shuiworld.com/userfiles/file/giteteritur.pdfIn PDF document text
- 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_off0000f4bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4BC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010cce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CCE | 16952 bytes |
SHA-256: 38be008b64c1e26c30929168fbb7b1b85f38cbd176d2707bb5e6c80265115ac7 |
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font_02_sfnt_off000138dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138DC | 10448 bytes |
SHA-256: 613c5046c13d1acf1d2e9951181891a5b07cd3f5110b129f16a094645d3ee9e1 |
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