MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating it likely contains a phishing or trojan payload. The document body, though heavily obfuscated, suggests a lure related to 'Network mcq questions and answers pdf'. Numerous URLs point to compromised websites and disposable hosting, likely serving as download locations for malicious content. The 'SE_SECRET_RECOVERY_LURE' heuristic further suggests the document may attempt to trick users into revealing sensitive recovery information.
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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Recovery secret / private key request critical SE_SECRET_RECOVERY_LUREDocument requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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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://coretry.ru/uplcv?utm_term=network+mcq+questions+and+answers+pdf PDF link annotation
- http://longarmquiltacademy.com/fckeditor/userfiles/file/tusimeboravobuluruzo.pdfIn PDF document text
- http://beiwendq.com/userfiles/file/kiwirugefibosozevudi.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083e32952bb1---fimugimorujugoremokika.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a586e2dce---94188494362.pdfIn PDF document text
- http://maility.pl_adresuserfiles/file/koxararaxumuvopuz.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a1cde6e0f---nawozovovewalipapatowep.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/acc91f2ba2ab639363f1f5a4332a3d4c/84859128671.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160beffa9ec35c---biremekig.pdfIn PDF document text
- http://amon-syotengai.com/userfiles/file/sogopovilazap.pdfIn PDF document text
- https://faresaldabbous.com/uploads/files/rotudimaxavuwofuxigulu.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b67a67f5cf.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609e8e302f4ed---jezogutipoderixof.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210603150331_3uuvpk.pdfIn PDF document text
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/7jqnuuaf0qe915c23qi7t2vm6d/miwobav.pdfIn PDF document text
- http://altinay-law.com/images/file/sozeresesaz.pdfIn PDF document text
- https://signaturetowerpune.com/wp-content/plugins/super-forms/uploads/php/files/2aolmr777q3u96emosmo5j1kd6/2664104130.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_off0000dd7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD7A | 5520 bytes |
SHA-256: e4a921228a345c2df2a606744753b11a66179dfd7b75647e02df681df74f6ab2 |
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font_01_sfnt_off0000f041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF041 | 10620 bytes |
SHA-256: f647d7568293aad1f0e4b16637189bc02201bd09ba881a398c17b42579cc307b |
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