MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://nanopena.cz/upload/file/nojipulesoded.pdf In PDF document text
- https://motiwalainstitutes.org/userfiles/file/55204154967.pdfIn PDF document text
- https://iskoruma.com/upload/ckfinder/files/11665197221.pdfIn PDF document text
- http://blueyee.com/upload/file/141205146376.pdfIn PDF document text
- https://angkorphotographyguide.com/userfiles/file/80548778031.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140edf8bb796---23930255640.pdfIn PDF document text
- http://maynenkhiinverter.com/media/ftp/file/mokowedas.pdfIn PDF document text
- http://solar-makernavi.com/ckfinder/userfiles/files/44864015890.pdfIn PDF document text
- http://tjjjsh.com/uploads/files/30331596312.pdfIn PDF document text
- http://crabandclaw.com/uploads/files/22082323133.pdfIn PDF document text
- https://tuoitre.bacgiang.gov.vn/lib/ckfinder/files/noburavukiso.pdfIn PDF document text
- https://www.restaurant-latableedevercel.com/ckfinder/userfiles/files/kizilida.pdfIn PDF document text
- https://perfecthospital.org/ckfinder/userfiles/files/tedere.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/16139c4a421abd---maboriraludeb.pdfIn PDF document text
- http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/54730664825.pdfIn PDF document text
- http://dspec-car.com/js/upload/files/lezametifumadilerekomuf.pdfIn PDF document text
- https://wedding-photos.cz/userfiles/file/rasikidew.pdfIn PDF document text
- http://fcraregistration.com/UploadedData/file/10061611660.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613ef4c373edf---67146750132.pdfIn PDF document text
- https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/32335uvtsre1b2bf7dgu63s652/41402627971.pdfIn PDF document text
- http://abarappresentanze.it/userfiles/files/24382152457.pdfIn PDF document text
- http://hostingureitings.lv/uploads/userfiles/files/85466869528.pdfIn PDF document text
- http://bilmatbasim.com/userfiles/file/55425814862.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=best+offline+empire+games+for+androidPDF 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_off0000ebf1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBF1 | 16752 bytes |
SHA-256: 35a167c4013971f2465f515622ab2fc481c1930d63d88b03785418fae03be566 |
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font_01_sfnt_off0001172e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1172E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F45 | 10892 bytes |
SHA-256: 421161d6695cd468c0fe24b7eaaea83a230110af9fb2bb995b01446b284bce3a |
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