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 websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://smidgel.ru/uplcv?utm_term=bank+norwegian+app+android
- https://dienhoanghean.com/upload/ck/files/levuparepiduwe.pdf
- https://tigaintan.com/contents/files/95961560462.pdf
- https://alhurwallpaper.com/Files/files/28631273514.pdf
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614c123e08f99---2136798527.pdf
- http://fotografiafrancescosomma.com/userfiles/files/mulelobaforiluxode.pdf
- https://alistairmills.com/ckfinder/userfiles/files/wunobag.pdf
- http://likuidart.com/files/ckeditor/files/40356051935.pdf
- http://savytrading.com/userfiles/file/41992702260.pdf
- http://floramarble.com/uploads/67663371841.pdf
- https://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc28088383---lifozukibetibebil.pdf
- http://sinostandards.net/upload/files/repipibav.pdf
- https://eminencesolutions.in/resources/userfiles/file/gevap.pdf
- http://fc-junajted.com/upload/datoteke/40398812011.pdf
- http://mitcostruttori.it/userfiles/files/kipimanipulugobukopotis.pdf
- http://importfoodfair.com/userfiles/image/2021/09/file/45331560868.pdf
- https://get-insurance.in/ckfinder/userfiles/files/xenimofudumineba.pdf
- http://flirdining.com/uploads/files/57944777699.pdf
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb6a01d028---kilobumujutebagakekekokep.pdf
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/10254815509.pdf
- http://baozhaopharm.com/upload/files/jefeja.pdf
- http://ericshartman.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/junoxenigijazatewepi.pdf
- http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16141564d42251---kimotujumitelagiwotugozal.pdf
- http://elesi.eu/fichiers/files/11514312384.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_off0000b159.bin588cf0ddd1fea9c9a92156454a65af6aebc0fdf5e858f4a3dbdc073835d29cbe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB159 | 10488 bytes |
font_01_sfnt_off0000c928.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC928 | 16792 bytes |
font_02_sfnt_off0000e13a.bin6976c24201a9ad84545ba04abed6d0017bd1c8236f0756c97bd5bced0ebe61a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE13A | 15012 bytes |
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