MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm with numerous URLs pointing to compromised CMS uploads and disposable hosting, indicating a phishing or redirection attempt. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 5
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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://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4a4696679---tevizuposuzumenutab.pdf
- http://tipsclubcr.com/campannas/file/surid.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160809b375082f---ziwolanupefexoter.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9a16451270---95954687419.pdf
- http://xn--eyt274i.com/upload/files/89485851953.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/1b9a9911365531c2ed9bda4eb6217f89/46736351017.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a3bd022a02---fupadosojubofoxigawov.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16079dd3274923---xowagadisate.pdf
- http://baohanhranghm.com/upload/img/files/54035096569.pdf
- http://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e0eb9f6b6---92248313226.pdf
- http://apluskleaning.com/admin/images/file/vexaparu.pdf
- https://royal-art.pl/uploads/userfiles/files/kumemebakekasovepejad.pdf
- http://www.aceitunasdelguadalhorce.es/ckfinder/userfiles/files/52872176909.pdf
- http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/t3boqshnekdkdrum2m9te69a74/49177876362.pdf
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/3dcc5d387d75b3ac5f6e7a7cfff8532a/60602687197.pdf
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/a23b73a59e74ea73f90e22a3463eb9a2/roroja.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9d69a6db5---galene.pdf
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/3fe0da99eb6acb8c7cdd46531a8ea29d/luwivo.pdf
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dafedd2175---29532545546.pdf
- https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/bc749lrshedkl83mf46fb40jc2/37919634638.pdf
- https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a183d2404c7---pumebowasewewotigiref.pdf
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/d73cc46e47132186fce46eb07ad8aed8/petuposame.pdf
- https://rajaketiga.com/contents//files/60966429586.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=getting+freckles+in+the+sun
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fc9d.bincd8d0fa0c25b65c753b38544a7eea89287b5dfd547a9a8c336c2db07f2ce6dd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9D | 16984 bytes |
font_01_sfnt_off00012883.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12883 | 16792 bytes |
font_02_sfnt_off0001409a.bin2372d09d61b8f82c9b748d4728bc8efa6c58fbf05decc0a2bd9649008b3a9b18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1409A | 10564 bytes |
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