MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links pointing to websites that appear to be compromised CMS uploads, indicating a link farm designed to distribute malicious content or phish users. The ClamAV detection and ML classifier strongly suggest malicious intent, specifically classified as a phishing trojan. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports the analysis that this PDF is part of a scheme to leverage disposable or compromised hosting for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9931
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 http://geodeslaboratori.eu/userfiles/files/nojutagilokudesuvavetig.pdf In PDF document text
- http://ledseoul.com/userData/board/file/83734617064.pdfIn PDF document text
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098395f82194---80850704150.pdfIn PDF document text
- https://rumputhijau.com/contents//files/suguxodijitoxijumitobob.pdfIn PDF document text
- http://studiotecniconuti.it/userfiles/files/giwameta.pdfIn PDF document text
- https://delphin-bau.com/ckfinder/upload/files/26639005280.pdfIn PDF document text
- http://sgyscom.com/upload_fck/file/2021-8-17/20210817104220211808.pdfIn PDF document text
- http://studiopetrilli.it/userfiles/files/napefudedipibupa.pdfIn PDF document text
- https://toolsatool.com/userfiles/files/35656679860.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c86970c14d1---wimotegoleg.pdfIn PDF document text
- https://avphunter.ro/ckfinder/userfiles/files/34789606646.pdfIn PDF document text
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096c9aa570fd---2798781330.pdfIn PDF document text
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a64bf67ab7a---xuwusaroz.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/7e42fff3e1ce35128b3e05225642391b/53272032425.pdfIn PDF document text
- https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c50fa739d63---52900364547.pdfIn PDF document text
- http://chelseacarpet.com/ckfinder/userfiles/uploads/98701748600.pdfIn PDF document text
- https://pass-eco-energies.com/ckfinder/userfiles/files/90372195955.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/9624af92f269d2d77a524b92203d338a/78017538522.pdfIn PDF document text
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/6ncei4cphsd16i2el9oev7vah7/7904225070.pdfIn PDF document text
- http://mineraux-et-lithotherapie.fr/ckeditor/upload/files/xikosojokezodib.pdfIn PDF document text
- https://austdoorcaocap.com/upload/files/50810322744.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/32teq05b0ngocccq6qqv9j1sg7/43583706214.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/66ig0u6u8p4t46g0o0273qla4f/67827999322.pdfIn PDF document text
- http://contelex.it/userfiles/files/91627892678.pdfIn PDF document text
- http://automsystem.com/UploadFile/file/20210713235720344.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=the+umbrella+academy+comic+espa%C3%B1ol+pdf+gratisPDF 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://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_off0000ba42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBA42 | 16128 bytes |
SHA-256: b9eeaa41c61c2b2b416cba28c48540d5260dd05a4636eb6daa6eb62a7360a8d6 |
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font_01_sfnt_off0000e3a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A4 | 11488 bytes |
SHA-256: 6394e051f4058d9ae7b52967522a51934510965555667e2b5c5bad735cb97f51 |
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font_02_sfnt_off0000fe36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE36 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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