MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting it is part of a phishing or malware distribution campaign. The PDF structure and embedded links are indicative of a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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 http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16123be30e0a19---15992289920.pdf In PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/b6f766cbc33f71b9085746aec1c36885/93133276761.pdfIn PDF document text
- http://csc0311.com/userfiles/file/20210826195447_simz9k.pdfIn PDF document text
- https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/27873de041f9794950129a66842d36da/nixosabekezivenijolimen.pdfIn PDF document text
- http://teamwork-poetschke.com/ckfinder/userfiles/files/xafuxomunikisivusuxuga.pdfIn PDF document text
- http://www.amanuttarakhand.org/ckfinder/userfiles/files/gokijelegoxu.pdfIn PDF document text
- http://getsolarny.com/userfiles/file/donagizilabe.pdfIn PDF document text
- https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/65a2c398c6b779ea030bf80c1bb7c1d4/fibejedafe.pdfIn PDF document text
- http://setadijital.com/img/userfiles/files/fapes.pdfIn PDF document text
- http://barcelonahotel.vn/UpLoadFile/file/rotuzububamujapoka.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/1c3f68e6a2c57d863e292bf648327b5f/fixifam.pdfIn PDF document text
- http://incomsistema.ru/ckfinder/userfiles/files/12447148701.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/ff3635bf925684bf6f157d184c5f495f/vevegipafunawafonudej.pdfIn PDF document text
- https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1607dde5628eb5---64490134325.pdfIn PDF document text
- http://stellamaris.cz/userfiles/4358080939.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e0554041095---lovisilejutujajof.pdfIn PDF document text
- http://ipllaser.in/uploads/16715698583.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/kogepabuvagarinazunafe.pdfIn PDF document text
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/e59627bc39f0e57b736c37855fc9e381/zabejinufimuvedujidig.pdfIn PDF document text
- https://www.mds-horizons.com/upload/files/59262321487.pdfIn PDF document text
- https://www.finestkindcharter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092053038c7e---dajoxuwubiravebozonum.pdfIn PDF document text
- http://bellina.pl/userfiles/file/mezepi.pdfIn PDF document text
- https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608a6107a107b---kokepikaraxoko.pdfIn PDF document text
- http://jun-travel.com/userfiles/file/58229442921.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/9k4r7nlo1ihn21nhrrfv932co6/limadaxujixuxukafe.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/88ddcce2c77801d711e92e96bf3c5d10/14433551446.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=liaison+xl+manual+pdfPDF 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_off0000d871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD871 | 18876 bytes |
SHA-256: 560cfde47dbc70698c7dbe5328613b410eea39268958635f5877325e7ab340ad |
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font_01_sfnt_off000109f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109F6 | 10488 bytes |
SHA-256: 0ec843595847a8d9fc7392147c1528f9fd8e217a88b86a7de48d271041594e4b |
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font_02_sfnt_off000121ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121BA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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