MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress sites and other disposable hosting, suggesting an attempt to redirect users to malicious content. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate a likely phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9822
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://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1af150407---26403919677.pdf In PDF document text
- https://horgaszvelem.hu/ckfinder/userfiles/files/54785401177.pdfIn PDF document text
- https://styliststudios.com/imagesTE/file/37232977829.pdfIn PDF document text
- http://moreit.ch/productinfo/file/5976716290.pdfIn PDF document text
- http://worldofpacifiers.com/editor_uploads/system/files/46940696433.pdfIn PDF document text
- http://jointrilogy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c26341b612---ragogotovusilumuzixoxele.pdfIn PDF document text
- http://infrabud.eu/fckpliki/file/xeximigebizifedavesibomuk.pdfIn PDF document text
- http://fhhsclassof70.com/clients/4/42/42ce21dc30e429aa976ba070b22ccf93/File/65979545818.pdfIn PDF document text
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/b93bf3abf21fc037544dcac9eefd29bd/10066593615.pdfIn PDF document text
- https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/fce5eb38203be6ae4711f9b9a9a418cc/donibeketunom.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff4bf69366---kejar.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607d23aacbe5d---zegexitirogawefemexatevev.pdfIn PDF document text
- http://piau-po21inn.com/CKEdit/upload/files/gedolejiwawaz.pdfIn PDF document text
- https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/dbd3c51e968f5cf6325a472432fd1e2f/30643215869.pdfIn PDF document text
- http://bawaconstructions.com/editorData/file/jikotenarurato.pdfIn PDF document text
- http://sl-light.ru/design/img/upload/file/57436407100.pdfIn PDF document text
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/cf33766742ed8f32c2a55a2c5b3428a9/18606941071.pdfIn PDF document text
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607913a7864a5---pipapomove.pdfIn PDF document text
- http://barbusci.it/maisUserFile/file/dosawotirujiwodizaliva.pdfIn PDF document text
- http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607923e621d3f---lusimugam.pdfIn PDF document text
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/678bce105ed72d98ab6c44c7e08244c1/lowolisokekazat.pdfIn PDF document text
- http://rld-carbon.ru/file/fiwogipemu.pdfIn PDF document text
- http://amako-ra.com/wp-content/plugins/super-forms/uploads/php/files/b24130996fba8bbfe6301bde0a37081a/36095179826.pdfIn PDF document text
- https://stayatrosetta.com/wp-content/plugins/super-forms/uploads/php/files/gthhn7q93ulrvriasin8mk7f57/62429676689.pdfIn PDF document text
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160861bf04deb7---gasekegajubamadoz.pdfIn PDF document text
- http://allprintusa.com/admin/images/file/13365861890.pdfIn PDF document text
- https://alutat.com/data/file/juzazemavugedonubatenuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=what+if+i+leave+my+job+without+serving+notice+periodPDF 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_off00010b60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B60 | 11696 bytes |
SHA-256: 26fa5ce8807eeda850717282fd4a31cfe6a0fc10ae3fbeaecfe3022646e84552 |
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font_01_sfnt_off000126aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x126AA | 16136 bytes |
SHA-256: e8b450b9bd2d83a435fae5458264d72e1e65cbbf3be149c11c6f616eead68978 |
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font_02_sfnt_off00015055.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15055 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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