MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to host and distribute malicious files. The presence of a 'download button' heuristic further supports the lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/lrecjbnu5ofp62fjipp8kq5886/nebididulabupuwitimalim.pdf
- https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160712f010679b---kojivivakudurigejux.pdf
- https://realwebguys.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc3bc27f67---83505580674.pdf
- https://liniagdanskzydowo.pl/files/14856436508.pdf
- http://svenstavik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c239bab78c1---70502906753.pdf
- http://robwalker.net/fckupload/file/widemasebinuz.pdf
- https://zoomkish.com/basefile/zoomkishcom/files/53422750618.pdf
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607902608c1ac---56663205168.pdf
- https://agronlogistics.com/userfiles/files/xotosulebapajovix.pdf
- https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc26909201---xutisolodetibidiwevav.pdf
- http://tccsrl.org/userfiles/files/55756708651.pdf
- https://opsclown.it/ckfinder/userfiles/files/52917560231.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/llscgck2nsl48glu9lfkefva33/jajomodaralumexat.pdf
- https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608eaaaf8877b---dewesijawopog.pdf
- http://www.alquilerbares.com.ar/wp-content/plugins/formcraft/file-upload/server/content/files/1607099decd5d7---pokofe.pdf
- http://redactron.com/userfiles/file/45350847439.pdf
- https://prestinireedcorp.com/userfiles/files/noniroxizaz.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/e1fe0350667340212364e967937498f0/zalilurow.pdf
- http://atthaya.com/file_media/file_image/file/38096778239.pdf
- https://spacio.hk/attachment/file/felomanitebadata.pdf
- https://niboparis.com/upload/fckeditor/files/pafasosawosavak.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609a0d5b089d3---63677859169.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=1795+springfield+musket+for+sale
- 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_off0000f84a.bin8d8c989179beda9e40a05d5c06ccc8e18655a3bf1f52e868d3c3a06b865fabe9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84A | 11340 bytes |
font_01_sfnt_off000112d9.bin6373ca75f61bf984539e3ddbd019776777b667b478efe7ef284f5521ddc66722 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112D9 | 17640 bytes |
font_02_sfnt_off0001415e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1415E | 16792 bytes |
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