MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics strongly suggest this PDF is used as a lure, likely for phishing or to download further malware, aligning with the Spearphishing Attachment technique.
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 http://redfordunion70.com/clients/869360/File/nuwaluvumeluv.pdf
- https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/2100a1922e9f8dc89e47caff6e377ab6/wuwej.pdf
- http://pattonbrayboy.com/clients/8/84/8444fd18e659e4cf0f5d78ff5dcadce3/File/37834972942.pdf
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/ic7go1vq9gpd4hjo3mopgnaqtl/meboborezoj.pdf
- http://privateeducation.sg/verzsape/demo/upload/admin/files/tixulol.pdf
- https://j26clean.com/upload/files/96065730781.pdf
- https://karpzbeldowa.pl/uploads/userfiles/files/48353628676.pdf
- https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/6f80773cd00a1b5a313faab2569b614d/28404712782.pdf
- https://ecoinkworld.com/wp-content/plugins/super-forms/uploads/php/files/8ec8cea600d9a6ed4ad39779bdd75214/81795385314.pdf
- http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/lonataja.pdf
- http://tochalco.com/uploads/files/nidadapupabotubodatimo.pdf
- http://chemtron-vostok.ru/media/file/77484244051.pdf
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/3c9ebbe89e04f13a1fd3a4be09798c12/bigetuxezifazefipuz.pdf
- http://www.pointcookelectrician.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b054083096b---3290843562.pdf
- http://artdental.hu/editor_up/77489647080.pdf
- https://nidi.mk/ckfinder/userfiles/files/98229084311.pdf
- http://fotografoenricogiampieri.it/userfiles/files/56810622653.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606e69b883919---widirovefifemixuxevubo.pdf
- http://ecohort.com/userfiles/files/kesubobitepefisivol.pdf
- http://geerhannutpourreussir.be/docs/upload/files/lomudiw.pdf
- https://music-group-store.com/upload/files/gotinanaliviwewovid.pdf
- http://aardbeienfeesten.nl/uploadimages/files/95180484604.pdf
- http://zzweien.com/d/files/dulug.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=inquiry+based+instruction+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_off0000e4cd.bina985d1938a71532dc01df285635e12e6994174e6b5779a700c4521e05f0da1d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4CD | 11016 bytes |
font_01_sfnt_off0000fe27.bin1f43962b0880abe55ff742c83fbbddc16b413a0dae3e17e86801b51470d194d3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE27 | 18600 bytes |
font_02_sfnt_off00012ed0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12ED0 | 16792 bytes |
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