MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier as malicious. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, providing no direct user-facing content but containing embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://capital-publishing.com/ckfinder/userfiles/files/2380651298.pdf In PDF document text
- http://refpecsbelvaros.hu/kepek/files/kitolilimikurex.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/959e0c16aecdf0df4cbe830fc4536298/2960646896.pdfIn PDF document text
- https://charqueadaboavista.com.br/wp-content/plugins/super-forms/uploads/php/files/436b7096ec3e525a1d7e914e8f974b01/zogukakejiboj.pdfIn PDF document text
- http://hrt-foto.hu/_user/file/55441620825.pdfIn PDF document text
- http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/3b4gmu7enck4c63smus7o2sjf88o2a8k/notugisogopovov.pdfIn PDF document text
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3ad3016e14---33522758348.pdfIn PDF document text
- http://automotiveenergy.cz/userfiles/file/54216311547.pdfIn PDF document text
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/22ad14efcca25ad35fd2ed984965686c/16645636570.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609419055bdce---xakonixakagas.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/8470d58478b8038bef4ee32d0c846828/gafenezerasejeseda.pdfIn PDF document text
- http://skisun.it/userfiles/files/18878654662.pdfIn PDF document text
- https://apinero.com/wp-content/plugins/formcraft/file-upload/server/content/files/160787e499b917---73163587361.pdfIn PDF document text
- http://ty6600.com/userfiles/file/sixajutebujiwesofemog.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/99cfc5c48dd62689627e3e16f8d06a19/jajodojukogugururajume.pdfIn PDF document text
- http://www.herbertvanderbrugghen.nl/draft/28979345715.pdfIn PDF document text
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/cea85364b5253973615d7f74b4c5c1e3/pixinodotebevorafepopil.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/98777113509.pdfIn PDF document text
- http://dush-kz.ru/uploads/fck/file/domemawuwimiparafoduletod.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608480b2a54a9---81746884389.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16102e06c4a998---migupadebupezetu.pdfIn PDF document text
- http://evevoyance.fr/adh/.-/file/11673441649.pdfIn PDF document text
- http://tiwtactic.com/userfiles/files/31920167789.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bd5878c4248---54978274235.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160cdb32154c1a---pisadujugegadasig.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=do+baseball+jersey+numbers+mean+anythingPDF 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_off0000e9d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9D0 | 11040 bytes |
SHA-256: 215723c3059b1b0027844e3488aa95b1fa11ee5e498bb95dbd65dd48bdad3e27 |
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font_01_sfnt_off0001034f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1034F | 16824 bytes |
SHA-256: adf0d476ad3f4e052357a96a8ae8e7dae57c13fca1d0fba0aa15f0b4bd42a7ac |
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font_02_sfnt_off00012f13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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