MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier as malicious. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the overall structure and URL patterns suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://cngwalk.com/fckeditor/userfiles/image/15667287482.pdf In PDF document text
- https://theshamrockpublecco.it/file/19395398369.pdfIn PDF document text
- http://clairerolo.com/userfiles/file/48967982256.pdfIn PDF document text
- http://vikingpaint.com/user_file/file/xepinipi.pdfIn PDF document text
- https://irrisyst.eu/files/file/97224627304.pdfIn PDF document text
- https://olgunbey.com/upload/ckfinder/files/vumigugugemagise.pdfIn PDF document text
- https://opescom-store.com/uploads/FCK_files/file/55327598005.pdfIn PDF document text
- http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1613e994fd5f98---palumijabipos.pdfIn PDF document text
- http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613f3ff2640dd---roxamixet.pdfIn PDF document text
- http://swaptoys.org/ckeditor/uploads/files/95526458072.pdfIn PDF document text
- https://loffoxfitness.mvwebsolution.com/userfiles/files/forute.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1614755fbaa5c4---jefinidorawut.pdfIn PDF document text
- http://www.mezmat.ru/ckfinder/userfiles/files/97788207488.pdfIn PDF document text
- http://lenosada.sk/editor_uploads/files/vuvidanevenoburujexuzitib.pdfIn PDF document text
- https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/legafewumo.pdfIn PDF document text
- http://osc-pribor.ru/products_pictures/file/34018697655.pdfIn PDF document text
- http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/1614ad62771157---83969211369.pdfIn PDF document text
- http://nwatchonline.info/userfiles/file/93301349552.pdfIn PDF document text
- https://red-adlay.com/upload/files/77976418738.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/161331af8d6ffc---96850833043.pdfIn PDF document text
- http://rent-lease-no1.com/userfiles/file/20210908155347.pdfIn PDF document text
- http://etasystem.net/userfiles/files/pasimu.pdfIn PDF document text
- http://virtualcharityevents.com/vce_cake/files/files/84475166272.pdfIn PDF document text
- http://aarogyamedico.com/userfiles/file/12050250713.pdfIn PDF document text
- http://picart-personal.pl/fckupload/upload/file/63845088656.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=2+timothy+commentary+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_off0000c0fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC0FB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d90d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD90D | 16484 bytes |
SHA-256: 5dcb0955bfc5ce7566a5718fae2701d47c332d70e18a2a4f4e4d76ff8377cc37 |
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font_02_sfnt_off0001035c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1035C | 10808 bytes |
SHA-256: f7e72d083aa324112b497287d09254980182fc855964e76ee60a5393591eff37 |
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