MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate the document functions as a link farm, directing users to multiple external URLs, some hosted on compromised WordPress sites. The embedded URLs and the nature of the heuristics strongly suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 6
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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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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.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161305157d00af---86042779092.pdf In PDF document text
- http://cke.hk/userfiles/minezuvibilemi.pdfIn PDF document text
- https://penzion-palice.cz/content/31354605594.pdfIn PDF document text
- http://full814.com/upload/files/tewosenifinoxisonigen.pdfIn PDF document text
- https://komunalno-vrgorac.hr/files/67963574505.pdfIn PDF document text
- http://bekescsaba.varosom.hu/userfiles/files/44707121683.pdfIn PDF document text
- http://gysanya.com/upload/file/210908180719370786eou6etur1jvy.pdfIn PDF document text
- http://gandolfiarchitetti.com/userfiles/files/86237776517.pdfIn PDF document text
- http://kancelaria-perfect.pl/app/webroot/media/files/bobapunetameni.pdfIn PDF document text
- https://sgotomotiv.org/upload/files/44289477882.pdfIn PDF document text
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612f8771009ff---39420425837.pdfIn PDF document text
- http://88cpap.com/userfiles/files/fapanubor.pdfIn PDF document text
- http://optimumnieruchomosci.pl/uploads/userfiles/files/73026110009.pdfIn PDF document text
- http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613c05fb77e23---53931093244.pdfIn PDF document text
- http://www.petersonassoc.com/emailimages/file/gedewusitusonefito.pdfIn PDF document text
- http://ntvietnga.com/upload/files/69299025219.pdfIn PDF document text
- http://exmar.it/foto_fck/file/datotif.pdfIn PDF document text
- http://remproekt-m.ru/admin/ckfinder/userfiles/files/90575413593.pdfIn PDF document text
- http://szyoujin.com/UploadFile/file/20210901090242541.pdfIn PDF document text
- https://www.winsum.frl/ckfinder/userfiles/files/29732289185.pdfIn PDF document text
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/590066230cbc74f98628687395256e1d/zivamowagoziribe.pdfIn PDF document text
- https://studybrilliant.online/app/webroot/img/userfiles/file/fosexonugelegelifoto.pdfIn PDF document text
- http://logenamerica.com/userfiles/file/78161224549.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=design+and+evolution+of+c%2B%2B+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_off0000b01d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB01D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c834.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC834 | 10864 bytes |
SHA-256: baa8c8ac19ad0bb7a3a6b5c04ed5840db8f4e7eebd8d707aa7b4b60f5dfd9b1b |
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font_02_sfnt_off0000e149.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE149 | 17872 bytes |
SHA-256: 50f347944249a293d77fb12a9e964e6083d554fa7187801c3041f4377555874c |
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