MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external URLs hosted on potentially compromised or disposable domains. The presence of numerous PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM firings strongly suggests a malicious intent to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
Heuristics 6
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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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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://equipelec.fr/ckfinder/userfiles/files/mozisutozi.pdf In PDF document text
- https://dafelia.com/files/kufafefove.pdfIn PDF document text
- https://suativisamsungtaihanoi.net/upload/files/wopavifolinabunomoxaduvam.pdfIn PDF document text
- http://launensia.cz/ckfinder/userfiles/files/furivexesijop.pdfIn PDF document text
- https://barcelonacentremedic.cat/files/galeria/files/63681556458.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303f951a171---mubetajafizupe.pdfIn PDF document text
- https://turismopontevedra.com/ckfinder/userfiles/files/95380883880.pdfIn PDF document text
- https://farmacieitaliane.com/documenti/file/37552131467.pdfIn PDF document text
- http://phukhoabacninh.com/images/files/91299760811.pdfIn PDF document text
- https://www.carnesvarejo.com.br/assets/ckfinder/core/connector/php/uploads/files/67079790211.pdfIn PDF document text
- http://www.cpiequipos.com/assets/images/user_files/files/fararobopetakibigelariso.pdfIn PDF document text
- http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/e2943d34bf637086955da5c8378dd267/47024281748.pdfIn PDF document text
- https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/bugazaxagafeziwopafexom.pdfIn PDF document text
- http://xn--9w3b11kh5l.com/ckupload/files/6332246909.pdfIn PDF document text
- https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/75cac08ee36e11af6e53fc5cbcd7ba05/riganisamag.pdfIn PDF document text
- https://quizai.com/uploads/files/nodavugazeb.pdfIn PDF document text
- http://lumieye.com/userData/ebizro_board/file/50828189140.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/18971380287.pdfIn PDF document text
- http://zoop-tech.com/ckfinder/userfiles/files/24567787269.pdfIn PDF document text
- https://tomaszbizon.tomaszbizon.pl/web/uploads/files/94847419699.pdfIn PDF document text
- http://prestopc.it/upload/file/xovuneva.pdfIn PDF document text
- http://actinq.nl/upload/file/zapifigedatus.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=c4h9oh+chemical+namePDF link annotation
- 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_off0000ae92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE92 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c6a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC6A9 | 10408 bytes |
SHA-256: 1fd45a5e2c52ac2e8789db30c47776cf24485493af1ab1830389eb8e008392ed |
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font_02_sfnt_off0000de10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE10 | 15940 bytes |
SHA-256: 0c6a3f133997065a153b149198948deacc479c1f5b3f48d95654999ecc15e4a5 |
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