MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. These links likely lead to further malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161401c2d758ff---80149089709.pdf In PDF document text
- https://sts-cct.com/app/webroot/userfiles/files/33945281869.pdfIn PDF document text
- http://jornalespacoaberto.com/app/webroot/datafiles/editor/files/damojedogil.pdfIn PDF document text
- http://studiovalentini.eu/userfiles/files/wufafexodepidesamire.pdfIn PDF document text
- http://geo-equipe.it/userfiles/files/18690478337.pdfIn PDF document text
- https://www.ksmt.edu.np/assets/ckfinder/userfiles/files/vopilabuvizufegojodeg.pdfIn PDF document text
- https://villanakarin.com/userfiles/files/88189332211.pdfIn PDF document text
- https://esterkins.de/ckfinder/userfiles/files/6267975088.pdfIn PDF document text
- https://dm288.com/slicice/file/lirowepuxepero.pdfIn PDF document text
- https://www.sherpachristain.org.np/ckfinder/userfiles/files/monitojurulof.pdfIn PDF document text
- https://stgeorgedentalcare.in/ckfinder/userfiles/files/12055369387.pdfIn PDF document text
- http://vietsaovang.com/uploads/userfiles/file/levezagebumozolelev.pdfIn PDF document text
- http://electrogalicia.com/electrogalicia/recursos/archivos/mizagojo.pdfIn PDF document text
- https://onlinendttraining.net/files/zuwuninitefote.pdfIn PDF document text
- https://skyzoan.com/cake/beta/userfiles/file/43556367554.pdfIn PDF document text
- http://bakefruit.com/uploads/files/202109082346165698.pdfIn PDF document text
- http://barrybusiness-crm.com/ressource/devis-photo/files/gusibepuwulidoxuzizag.pdfIn PDF document text
- http://testplanet.nl/uploads/files/75247243981.pdfIn PDF document text
- http://motolargo.pl/userfiles/file/38487944661.pdfIn PDF document text
- https://gizaviation.com/uploads/files/36204278263.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/16139bf82937bb---7190280322.pdfIn PDF document text
- https://armour-technoz-ca.otzol.net/ckfinder/userfiles/files/55465778195.pdfIn PDF document text
- https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe8083318c---zifikeriz.pdfIn PDF document text
- https://cytairtool.com/test/userfiles/file/20210916_6e847.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=zip+video+androidPDF 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_off0000b05a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB05A | 10104 bytes |
SHA-256: fc9a04c9c56058e8f9cd36f5480f3220c9a1f67aad03cb5a7b84821d75326c4f |
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font_01_sfnt_off0000c6f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6F5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000df07.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF07 | 14296 bytes |
SHA-256: a4648e71312d985e996786bd7400b6f21c7c1d0a442166c0c73caf6fe1715d73 |
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