MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs, many of which point to compromised WordPress upload directories or disposable hosting, indicating a link farm designed to redirect users to malicious content. The presence of these links suggests an attempt to lure victims to phishing sites or download further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
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://cursosadistanciayonline.com/medios//files/nonolutojogedofi.pdf In PDF document text
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160807f40d85d5---sipikagomavazugijigebu.pdfIn PDF document text
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0701814e71---foloziwekoberuvun.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/tapodixaje.pdfIn PDF document text
- https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/2e0e61e9373598a6365dba468c96ab62/2406281817.pdfIn PDF document text
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/f183deb5f7e290e7e6b6db3ccb6aa686/jixuw.pdfIn PDF document text
- http://bptramptour.pl/files/file/duwegelalewor.pdfIn PDF document text
- http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c10c0251bf7---31331407439.pdfIn PDF document text
- http://thelonerangerfanclub.com/ckfinder/userfiles/files/sujenomor.pdfIn PDF document text
- http://valleypainclinic.org/userfiles/file/3482886016.pdfIn PDF document text
- http://bakoca.hu/files/file/48633761256.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/45938da47b44cf4e00f5a023bd2f0647/sunetezojenad.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/89728642117.pdfIn PDF document text
- http://bjeclinic.com/ckfinder/userfiles/files/10844388803.pdfIn PDF document text
- https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/f95f996dae034773a5e8e0b39088577d/wedimi.pdfIn PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c73a166ddaa---kemiwizomiwexarejavat.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f460c7c1ad---7515708159.pdfIn PDF document text
- https://learningsolution.ca/userfiles/files/siroguxukigelegilofutif.pdfIn PDF document text
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/214ee91a093eba0a1df51e71e4b50d33/ramelegevinisivow.pdfIn PDF document text
- https://legyenegyjonapod.hu/userfiles/files/64423400658.pdfIn PDF document text
- http://timandlor.com/userfiles/file/vojixu.pdfIn PDF document text
- http://digifast.cz/userfiles/pujezagalafokupever.pdfIn PDF document text
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/aqg6f2qbe7mqtie51nin23j277/mebalizitunuz.pdfIn PDF document text
- https://khabul.mn/mmpa/userfiles/files/mirodavexotukawo.pdfIn PDF document text
- https://psychotherapie-dr-albrecht.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ec1a904bf---guvafotawizejafuwuvazaf.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=first+tragedy+in+englishPDF 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_off0000dc62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC62 | 18236 bytes |
SHA-256: 9a597e5e41f1b8afde8bf0ecda453c3156a6bb173196bc284c35dd60aa457136 |
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font_01_sfnt_off00010beb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BEB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012402.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12402 | 10496 bytes |
SHA-256: 3cfed87b97677fea186d2bdb2a6df9b212cb26af89c01cc03072f3c19b253179 |
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