MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to potentially compromised websites or disposable hosting. Heuristics indicate this is a link farm, with a high ML score and ClamAV detection confirming malicious intent. The primary purpose appears to be redirecting users to other malicious documents or phishing sites.
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://www.informacion-indoorclub.com/boletines/img/file/17779289138.pdf In PDF document text
- http://altus.pl/userfiles/file/gebus.pdfIn PDF document text
- http://fsf-vastroad.com/userfiles/file/bexesa.pdfIn PDF document text
- http://aorganboys.handyfriendship.com/upload/files/danawisujibaxi.pdfIn PDF document text
- http://langeline.com/ckeditor/upload/files/pijijijumanilabo.pdfIn PDF document text
- http://hairtransplantmangalore.com/uploaded_files/userfiles/files/56478878975.pdfIn PDF document text
- http://discus-rus.ru/upl/file/kibafes.pdfIn PDF document text
- http://zekejozsef.eu/FCKfeltoltott/file/zatajimukasawizopota.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614c480265778---wiwukajebewajanitijem.pdfIn PDF document text
- http://umrllc.com/userfiles/files/57603256146.pdfIn PDF document text
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/fa95fbc8b10175afd30a21a62093038a/70034080611.pdfIn PDF document text
- http://studiomontironi.eu/userfiles/files/minololitanazaga.pdfIn PDF document text
- https://duongthuy.net/userfiles/file/wirezijogodokeni.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ad8f0078e6---xekenutaj.pdfIn PDF document text
- http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/tavokavibirena.pdfIn PDF document text
- http://schule.havonix.com/ckfinder/userfiles/files/xanubaruzan.pdfIn PDF document text
- https://norservis.info/files/files/jobezafixogow.pdfIn PDF document text
- https://drivetripper.com/userfiles2020/files/68676053010.pdfIn PDF document text
- https://www.renfrewareahealthvillage.ca/ckfinder/userfiles/files/wojuwovalajis.pdfIn PDF document text
- http://color-gateway.com/userfiles/file/roxinatuvoxe.pdfIn PDF document text
- https://indiantiffin4me.com/nbloom/fckuploads/file/molipoko.pdfIn PDF document text
- https://e-room.co/userfiles/file/bijanerijaketeju.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=volume+of+sphere+worksheet+with+answers+pdfPDF 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_off0000af66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF66 | 11012 bytes |
SHA-256: 28417394e4f80e77a9ba234ad1e1c877303caca2e55eaa63f089db271bfdb5c6 |
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font_01_sfnt_off0000c8e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC8E3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e0f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0F5 | 16248 bytes |
SHA-256: e7dd2dfe71f6f26c2e06f72cda9ce068dae4a58c293e1503a53329d3150ff7a7 |
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