MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. It contains a link farm pointing to compromised CMS upload storage, likely intended to host a password-protected archive as suggested by the 'SE_PASSWORD_ARCHIVE_LURE' heuristic. The embedded URLs and the overall structure indicate an attempt to trick users into downloading a secondary malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/161406d896f035---96088331018.pdf
- http://aweibel.com/Photo/file/loxepoperidi.pdf
- https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/fmig9o2p58ko35aob5c9lg2nc0/62509715533.pdf
- http://baovekhucongnghiep.com/upload/files/90669718167.pdf
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161344cc8b1547---kifabazifobakomopowomolu.pdf
- https://linkevicius.com/upload/galery/file/84653396136.pdf
- http://akcjonariusz.com/UserFiles/file/62548778000.pdf
- http://usateatop.com/_upload/files/71742984228.pdf
- https://dennismaloney.ca/upload/editor/file/93986245511.pdf
- http://air-con.ru/upload/files/37653407886.pdf
- https://optimuselearningschool.com/learning/site/images/uploadfiles/6053536655.pdf
- https://ecodiagnost.com/ckfinder/userfiles/files/muwuvaragipew.pdf
- http://constantcontinuity.com/membership/data/files/53170806843.pdf
- http://vidol.eu/userfiles/file/fukebuxegoriwogati.pdf
- http://tajesink.com/Uploadfiles/files/migokifovaderegoxuladeg.pdf
- http://sictombbi.fr/ckfinder/userfiles/files/64062001354.pdf
- https://bliznacite.dvsportbg.com/files/81016164477.pdf
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/e9f1cb781176792bdf668ffd6294c905/823690783.pdf
- http://drzwiukryte.pl/userfiles/file/51194621002.pdf
- http://www.onlinenieuwsbriefversturen.nl/gebruikers/afbeeldingen/kagebuvekopezajox.pdf
- http://www.bordadoindustrial.com/ckfinder/userfiles/files/63660172056.pdf
- https://alharithiforcameras.com/ckfinder/userfiles/files/fozinekasapukovowul.pdf
- http://kolesnikov.pro/ckfinder/userfiles/files/vazixudulexewakugaw.pdf
- https://tedesco.pl/userfiles/file/vidurega.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=adobe+after+effect+cc+2019+full+crack
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000df10.bine5d3103b4272964a97e23ded3cebf0f843a9be7393f73b217523d698057040d5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF10 | 10880 bytes |
font_01_sfnt_off0000f880.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF880 | 16792 bytes |
font_02_sfnt_off00011092.binced9591a2d2759e9ea64aa9de884b55c9e13eae793f30b9e227d46e222c43b5a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11092 | 18584 bytes |
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