MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to various URLs, some hosted on compromised CMS uploads, potentially to download further malware. The presence of a 'download button' lure reinforces the phishing attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://a-mega.ua/images/uploads/file/89988199576.pdf
- http://www.juniorcollege.cl/ckfinder/userfiles/files/lezomodut.pdf
- http://babyshelter.net/assets/upload/files/58387160654.pdf
- http://unewstoday.com/task/userimages/file/53456677299.pdf
- http://classicalgardenstatues.com/uplds/file/damonisaxapenaxem.pdf
- http://studiopol.com/userfiles/files/13645634230.pdf
- https://subarini.ro/mm/file/32192123590.pdf
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b96d4384d6---waxunaxisafawasoza.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/161410f58df46b---tozenajibu.pdf
- https://adminico.nl/userfiles/file/23077881336.pdf
- http://eiak.org/upload/editor/files/wesadavu.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc762741e8---67886729511.pdf
- https://mangalargalux.com.br/ckfinder/userfiles/files/57208797932.pdf
- https://www.taxiserviceh24.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a5bbf16a3---diposopobumamifunexuzer.pdf
- http://jamones-luna.shopcloud.es/ckfinder/userfiles/files/61736518716.pdf
- http://print-resource.co.uk/ckfinder/userfiles/files/6937482955.pdf
- http://daiichigroup.net/uploads/news_file/65859011364.pdf
- http://myphamnanyno.com/luutru/files/nuwotegijipovo.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613b3b8a12d39---95094233972.pdf
- https://alpinashop.rudy-ra.com/files/nusozepupujugolovarev.pdf
- https://editora-arara-azul.com.br/site/admin/ckfinder/userfiles/files/wodoviwepaf.pdf
- https://rendszergazda-cegeknek.hu/ckfinder/userfiles/files/julozusoxepekaxo.pdf
- https://wheelmartthailand.com/image/upload/File/51224635239.pdf
- http://galettedesrois.hu/userfiles/file/fanogi.pdf
- http://goopenapp.com/uploads/files/87191489774.pdf
- http://0225674989.kad.tw/kads/ckfinder/userfiles/files/53964823963.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=idm+manager+crack
- 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_off0000ed52.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED52 | 16792 bytes |
font_01_sfnt_off00010569.bin47d4d95bdc1cc6f7440ffb87271d9041122eac3ff26507e1f92aeafcb73ff9c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10569 | 10232 bytes |
font_02_sfnt_off00011c1c.bin3fee8b32a97d2202c3a0cc7d3019949133502eed4561ad847f95d22bc6914cb5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C1C | 17848 bytes |
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