MALICIOUS
174
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs and is flagged by ML classifiers and ClamAV as malicious phishing content. The heuristics indicate it's a link farm designed to redirect users, and specifically mentions an MFA/one-time-code harvesting lure, suggesting credential theft as the primary goal. The presence of external URIs and the nature of the lure point towards a phishing attack, likely delivered as an attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=instagram+followers+for+free+no+verification PDF link annotation
- http://www.jindatunnel.com/up_files/file/39012909982.pdfIn PDF document text
- http://oguzlarotomatiksanziman.com/depo/sayfaresim/file/54007574010.pdfIn PDF document text
- https://cupanghitam.com/contents/files/bekimodavizimipa.pdfIn PDF document text
- http://media-production.net/admin/ckfinder/userfiles/files/pifufovevezexavag.pdfIn PDF document text
- https://spotiverify.com/ci/userfiles/files/10037336964.pdfIn PDF document text
- https://em.heephong.org/ethnicminorities/cmsadmin/ckfinder/files/3097724545.pdfIn PDF document text
- http://liccuza.ro/stiri_files/file/67252365221.pdfIn PDF document text
- http://motovelo-nmsk.ru/userfiles/file/61209653735.pdfIn PDF document text
- https://vadihosting.com/calisma2/files/uploads/74749502711.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/c8837ca38a521ef1abf361a92c6222a5/48841770637.pdfIn PDF document text
- http://tavio.su/files/file/sexedawawikibatu.pdfIn PDF document text
- https://x-software.cz/data/file/wizob.pdfIn PDF document text
- https://szallas-karpatalja.hu/upload/deneziganozigebitiniride.pdfIn PDF document text
- http://plenar.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1612f63d10a51b---55250880525.pdfIn PDF document text
- http://idrogastermoclima.it/Utentifile/FCKPage/file/81562070318.pdfIn PDF document text
- https://mimpishio.com/contents/files/18469204587.pdfIn PDF document text
- http://rtm-plus.com/ckfinder/userfiles/files/gadalujamogulef.pdfIn PDF document text
- https://galerieportelouise.be/userfiles/files/konitew.pdfIn PDF document text
- http://alemotta.com/resources/original/file/votedozelujaxetetamu.pdfIn PDF document text
- http://stylekd.ru/files/59436358417.pdfIn PDF document text
- http://scsychem.com/upload/files/dexire.pdfIn PDF document text
- http://braghieriarchitettura.com/userfiles/files/sazes.pdfIn PDF document text
- http://dnepropress.net/files/file/werisil.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://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_off0000e1f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1F2 | 10784 bytes |
SHA-256: 0b080406b2800aac3bcc479c29fed5518b9c59380d59b9582f1feeeb7df23a9d |
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font_01_sfnt_off0000fad6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000112e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112E8 | 17764 bytes |
SHA-256: cefac2b421db147a94bb8c4b5bd65bbd1c75b2a130895c4b9fba124ff9c7e1c6 |
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