MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external URIs and link farms pointing to potentially compromised WordPress sites and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were explicitly extracted, the structure and URL patterns are consistent with a malicious PDF designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://drafthe.ru/uplcv?utm_term=lillesand+and+kiefer+pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160707d7857146---22514988149.pdf
- https://groupburuemas2.com/contents//files/mitut.pdf
- https://centrumschoolka.pl/photos/file/40572172216.pdf
- http://dtcguild.org/clients/80367/File/kidenojogujiturajeke.pdf
- https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/1iuikm071nr1dcmbvkgiieu162/wizefagopamotike.pdf
- http://vanphongphamhienluong.com/upload/files/34909143409.pdf
- http://elsekmont.eu/userfiles/file/lolutujaxe.pdf
- http://ahlhy.com/uploads/file/301325194478.pdf
- http://project-lovcen.me/userfiles/file/99221891512.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8446af5f6---jexaf.pdf
- https://www.chablis-gautherin.com/ckfinder/userfiles/files/dosusovexedowedulorur.pdf
- https://cornerstonelaw.eu/userfiles/file/sapevududegisaxox.pdf
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/b0e5de157d3b99c3a1985b249afb1098/2072030670.pdf
- http://cellesekorea.com/ckupload/files/dodoxenitu.pdf
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160784c53f2d22---29677807972.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bde01327e17---pugerapox.pdf
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/16120f24288245---xuzekipenibegogutavuw.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cdc1300dc31---lilirokoxevij.pdf
- http://korea-labels.com/ckfinder/userfiles/files/sapakejitagisimugabases.pdf
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ae1f91a06a---xinokolu.pdf
- https://abcelectricalonlineshop.brilliantwebtech.com/userfiles/files/bebunitaxidobafesanu.pdf
- http://kxqcgs.com/filespath/files/20210820080105.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/i2mgt905mqn18e56s8h45isuqh/24115232182.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d78f.bin22c430fa21a4c5752a49d3ba2cff55c284c69e99083b16e8b203c5dadbc83e4d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD78F | 10324 bytes |
font_01_sfnt_off0000eed9.bin5d229b2bb3cee68df89f482a39a0f53da71073515dee4cbeea58a1b15baf0f8c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED9 | 17224 bytes |
font_02_sfnt_off00011ba7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BA7 | 16792 bytes |
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