MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal or Forge Credentials
This PDF document is identified as malicious by ML classifiers and ClamAV, exhibiting characteristics of a credential harvesting lure. It presents a fake MFA or one-time code confirmation prompt to trick users into submitting sensitive information. The document contains numerous links to potentially compromised WordPress sites and disposable hosting, suggesting a phishing campaign designed to steal credentials.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 7
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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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MFA / one-time-code harvesting lure high SE_MFA_LUREDocument asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
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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://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/sacjacfkslic4b3rdail7eahq2/51377534020.pdf In PDF document text
- https://cytairtool.com/test/userfiles/file/20210703_a23af.pdfIn PDF document text
- https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/0477ba6dc1eaecb9205314694678e120/18181204010.pdfIn PDF document text
- https://alianzatours.com/imagenes/file/94036643067.pdfIn PDF document text
- https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/i8ec3odmrq5mpjh7ekaplo8fjo/64226951968.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/493928c5359437f285e9a1483afd8e7d/57214930902.pdfIn PDF document text
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cac9ee6b2a7---sewonijal.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d82e46bcce---fojetubezimobu.pdfIn PDF document text
- http://www.fullertherapy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5937ad38d---61528761546.pdfIn PDF document text
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/03012aac24f546c0b9f60442ad1cd383/nenemeri.pdfIn PDF document text
- https://www.rockandroll.blog.br/wp-content/plugins/super-forms/uploads/php/files/tqptc5lhm9onoa0au3qi67qvb9/92393359862.pdfIn PDF document text
- http://aite-materials.com/upfiles/file/lumiwado.pdfIn PDF document text
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6cdb095b48---sesuxatupifakatut.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/xonom.pdfIn PDF document text
- https://soechi.com/userfiles/file/kefujepirisi.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5dd257cee---wugetoxabawo.pdfIn PDF document text
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/16082b8eff3a08---kinaxonixiranag.pdfIn PDF document text
- https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/4ae3151cd7dcbb887bc4c8c13cf41490/73417127429.pdfIn PDF document text
- http://karunb.com/UpLoads/files/sizug.pdfIn PDF document text
- https://noihoithanhtuan.com/media/ftp/file/rilogorupanadu.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/fa91faded11c103de11c76e3b6df7af6/vaginoliforesewub.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/16073d11e21858---56837226294.pdfIn PDF document text
- http://famillespourstarlight.com/clients/a/a9/a9b42c05011d3bb27e7f7ec2ed30324f/File/vipabevatepeputofenogamuj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=american+express+confirmcardPDF 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_off0000e32e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE32E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fb40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB40 | 17840 bytes |
SHA-256: 51e46edda1fd829e4c448fa101f12cec9c03c88e854ceef2ca4bc84d3a20cc0d |
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font_02_sfnt_off00012a53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A53 | 10720 bytes |
SHA-256: 531a264f9328e73144b8c70c48a90f55e97aabc29d6a75414da6b49ac136d513 |
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