MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1566.002 Spearphishing Link
T1059.007 JavaScript
T1190 Exploit Public-Facing Application
This PDF document was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection for phishing and trojan activity. The heuristics indicate it functions as a lure, either for credential harvesting by requesting MFA confirmation or by prompting the user to call a phone number in a deceptive context. While no scripts were extracted, the PDF structure and embedded URLs suggest it is designed to redirect users to malicious sites or solicit sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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.jts.org.jo/sites/default/files/webform/96043924660.pdf In PDF document text
- https://extranet.blanchisserie-toulousaine-de-sante.com/sites/extranet.blanchisserie-toulousaine-de-sante.com/files/documents/justificatifs/vinoku.pdfIn PDF document text
- https://www.jts.org.jo/sites/default/files/webform/1653940235.pdfIn PDF document text
- https://aboss.by/sites/default/files/webform/12132802610.pdfIn PDF document text
- http://cicatsalud.com/html/sites/default/files/webform/32041770382.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/74647609277.pdfIn PDF document text
- https://ambrose.edu/sites/default/files/webform/26147793628.pdfIn PDF document text
- http://www.grotekeukens.be/sites/default/files/webform/gmawards2018/gurolaxi.pdfIn PDF document text
- https://www.natsihwa.org.au/sites/default/files/webform/19026354442.pdfIn PDF document text
- https://www.mainephilanthropy.org/sites/default/files/50588642306.pdfIn PDF document text
- https://www.newburghgroup.com/sites/default/files/webform/resumes/tikijoti.pdfIn PDF document text
- http://oaklandchildcare.org/sites/default/files/webform/veser.pdfIn PDF document text
- https://aboss.by/sites/default/files/webform/vobefoxejajizagosoberob.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=english+for+banking+and+finance+1+pdf+free+downloadPDF link annotation
- https://minorsoncampus.princeton.edu/system/files/webform/97035559296.pdfIn PDF document text
- https://www.healthdata.org/sites/default/files/resumes/mevupuxapiledowitire.pdfIn PDF document text
- https://www.vub.be/sites/vub/files/webform/lijulur.pdfIn 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
- 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_off0000db73.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB73 | 5724 bytes |
SHA-256: c1eba3c31a334d8db02490695cbc9e14f4d81c55966f728ac7ac0ce4e4cc4929 |
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font_01_sfnt_off0000ef02.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF02 | 10868 bytes |
SHA-256: 1eec0862b9ff89776d95dc0087a509e6e9bc6de1d207090ca6e47b8a40c4fd0c |
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font_02_sfnt_off00011448.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11448 | 16092 bytes |
SHA-256: 9af6fc3bf9d751f70540aea0fa47faa159a3604992cda23d2adcda3ffc5346b2 |
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