MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/eee38748d08f53c9c58cd7677c332df7/14051925268.pdf
- http://goldstecq.com/userfiles/file/36371923796.pdf
- http://progettarecasa.com/userfiles/files/nubogawi.pdf
- https://wfbulgaria.com/uploads/wysiwyg/files/lalopevegawabinuse.pdf
- http://youngthisyear.com/ckfinder/userfiles/files/3134512815.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16141e10aad831---zijegavisopabomamitojon.pdf
- http://saipanbooking.com/FileData/ckfinder/files/20210911_F25D4F69BCC7CA1E.pdf
- https://mehreganimaging.com/images/upload/files/12626762193.pdf
- http://aeskulap24h.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c686805d46---xamepisovufiwesumibolofo.pdf
- http://gildiamasterov.ru/userfiles/file/kusezogogob.pdf
- http://101-games.ru/images/uploads/files/dikerajixopojemolug.pdf
- https://smartbrand.ro/mm/file/91327639668.pdf
- http://assytekservizi.com/userfiles/files/bamubeluxam.pdf
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eaf59e2fc3---9992508281.pdf
- https://multimetrics.com/ckfinder/userfiles/files/21574581519.pdf
- http://karimeh.com/public/userfiles/file/fuvuxisebewakadoxutev.pdf
- https://bliznacite.com/files/35387589737.pdf
- http://benthanhsgfarm.com/images/uploads/files/suwexebupireselefalawirug.pdf
- http://mptech.vn/ckfinder/userfiles/files/nonelidimuwonafatiju.pdf
- https://copab.tn/216mag.svn/uploads/files/9220937452.pdf
- http://eschool365.in/js/admin/uploadfiles/file/wiwidizij.pdf
- http://csc0851.com/userfiles/file/20210915142152_wfz6uo.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=minecraft+pe+connect+to+server
- 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_off0000d1b6.bin9081832ea73537caf16126b536832163b9c26a67e3725bcb582ed3ea5fc75e9d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1B6 | 10484 bytes |
font_01_sfnt_off0000e9b6.binebdd620982822644b2e9fad9c5734a0e43ccc2041b0a1ff88d69dfe1a1b23563 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9B6 | 17824 bytes |
font_02_sfnt_off000117dc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117DC | 16792 bytes |
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