MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was identified as malicious by a ML classifier and ClamAV, indicating a phishing or malware distribution attempt. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and disposable hosting domains. The embedded URLs suggest the primary goal is to redirect users to potentially malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://medvor.ru/uplcv?utm_term=pdf+file+explorer PDF link annotation
- https://consultingexpert.eu/fckeditor/userfiles/file/88152943546.pdfIn PDF document text
- https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/phrum3rv4m5bkb0gef0n2uaq7p/dilezixal.pdfIn PDF document text
- http://projecthouse.bg/uploads/CKfinder/files/43978356303.pdfIn PDF document text
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16082f11bcd6ab---rosemetironakobi.pdfIn PDF document text
- http://degeninhotel.ru/admin/ckfinder/userfiles/files/40168140390.pdfIn PDF document text
- https://orderpoet.com/ckfinder/userfiles/files/tokafudoxu.pdfIn PDF document text
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/7a245223d3a2f6bca11c6317458e597f/fiwaxonumaderatureru.pdfIn PDF document text
- https://krantiservice.com/ckfinder/userfiles/files/23167122609.pdfIn PDF document text
- https://www.tanyadantus.com/wp-content/plugins/super-forms/uploads/php/files/054b496c3a2f5521a5443788b4e32259/tomabidawefuluv.pdfIn PDF document text
- http://ruihuitax.com/files/file/95691660570.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/gckn43jojag5sprcu991hdrmn6/tavilonumufazifazeda.pdfIn PDF document text
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/37688a3f3576996db6db1302040d9c5d/53772551304.pdfIn PDF document text
- http://luingpyrex.cz/foto/Image/file/kijaxinelojuwup.pdfIn PDF document text
- http://sarljarry.fr/userfiles/file/pudaramudabisoz.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608081ff8671f---xakiz.pdfIn PDF document text
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/b0c73e892b10a9aac0c2ba97c04f75b1/pobiweror.pdfIn PDF document text
- http://geologicatoscana.eu/userfiles/files/17933026980.pdfIn PDF document text
- https://sanruouvang.net/images/uploaded/file/porub.pdfIn PDF document text
- https://camelcarpet.org/d/files/39868648491.pdfIn PDF document text
- https://arnetbilgisayar.com/upload/ckfinder/files/80036192676.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_off0000b6a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6A7 | 15484 bytes |
SHA-256: ae3f61b20c33ca53ce32a66de39faf5f3268e05395089efc70f42ab3e5ad2537 |
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font_01_sfnt_off0000ddfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f614.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF614 | 10064 bytes |
SHA-256: b0036ecd68729146adb2bc52d5e10d8d507db3570ac79722987771413522dc88 |
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