MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1539 Steal or Forge Credentials
T1059.007 JavaScript
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. Heuristics indicate it functions as a lure for multi-factor authentication or one-time code harvesting, consistent with credential phishing. The document contains numerous links to external sites, many hosted on compromised WordPress installations, suggesting it is part of a larger phishing infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://infrive.ru/uplcv?utm_term=intermediate+freeze+alarm+manual PDF link annotation
- https://teenvolunteer.org/wp-content/plugins/super-forms/uploads/php/files/0a3d9c8535dc03d9f371e8386cfa79fc/rarimopizenipadekegivisov.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608e023d32199---43941633294.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/9c1576b925366b2c6a97cb37bbeb8867/zodixojaraverezelodiba.pdfIn PDF document text
- http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1926c59ef---lobevifemerutesivusil.pdfIn PDF document text
- https://wavemed.it/wp-content/plugins/super-forms/uploads/php/files/8d29a051ccf843a99ac1668bd98a3767/63655586782.pdfIn PDF document text
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160abac3761b39---jovabarosel.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fd19b8189f---7875788510.pdfIn PDF document text
- http://aliglobshop.com/userfiles/file/woxesupizezewozumoti.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/62943e1ef81565e3317b2443d5895455/70649553590.pdfIn PDF document text
- https://tuabogadoangel.com/wp-content/plugins/super-forms/uploads/php/files/a9c4f108506963c5dc7b6a33bd421af6/mowuworimonatezem.pdfIn PDF document text
- http://www.aportecnica.com/imagenes/editor/file/bowenuzowelipoti.pdfIn PDF document text
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160798ecb4a653---28397934501.pdfIn PDF document text
- https://anmimar.com/royal/userfiles/file/55910420158.pdfIn PDF document text
- http://zetrade.cz/userfiles/file/84396675155.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000def0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDEF0 | 4860 bytes |
SHA-256: 656dc1f51cacaf3fa0c3adfa61feeb044a5c2bd27460b9e0b6e6b1be43cefcd4 |
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font_01_sfnt_off0000ef65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF65 | 11436 bytes |
SHA-256: dba545854908fc9ecdb1a05257a4b445cffa4c6705ff2dc1126d5400f3ab73c0 |
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