MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of links, many of which point to compromised CMS uploads and disposable hosting. This structure is indicative of a link farm designed to distribute malicious content or phish for credentials. The ClamAV detection and ML classifier further support its malicious nature, suggesting it is a phishing or trojan delivery mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://www.annaleehuber.com/content_files/file/babapififufisa.pdf
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/fba12d20c20e36bc6b7ef98afdaeed5b/79364956095.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/684cab74dfd275a4daa7a5ca4ab0a1b0/lifulijatev.pdf
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1fe0d3986---34176123855.pdf
- https://napraforgohotel.hu/upload/file/tifufamutuvaxiwetod.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/91401b49f23d9575e59992dcfb5a5d34/buzowux.pdf
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3afdf09973---rupabum.pdf
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160d75c7130f9f---rebajopupevus.pdf
- http://weberstellen.ch/userfiles/file/novezanolopikumese.pdf
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/e59e23d445e2e23b6fc250fadbde762a/kixomip.pdf
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad29769dc40---lavajevovukumemeseme.pdf
- http://bukharaalpharetta.com/sites/default/files/file/96005550154.pdf
- http://rdmsrl.it/userfiles/files/jododudajexebubanaxudixer.pdf
- http://podiummoda.ru/userfiles/file/87605884062.pdf
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/m105qr3pbhjh7u31b9bj27smn0/ridotowe.pdf
- http://chinalabware.ru/d/files/87369395483.pdf
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608137ba34e3f---37222465334.pdf
- http://aceonlinementors.com/userfiles/file/rifidavudozewokegam.pdf
- http://accessiblevehicleservices.com/userfiles/file/94351703828.pdf
- https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/6f4361e5bb060490b0bf6eb75a3ac469/netafemujin.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/2b526929ca7aaf2dc5b648f44d9c8028/75250021217.pdf
- https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/v9k8g5phhha49i2qjriofopp51/segavirepanaso.pdf
- https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/l3hamfboal3gkbnt8uhs4l8spr/29396306547.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=georgia+year+of+manufacture+license+plate
- 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_off0000e826.binbcfe85193bf30953246496bb5fd05c3bcb4461492cc3c54d64feac73bbe0590e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE826 | 17140 bytes |
font_01_sfnt_off000114a8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114A8 | 16792 bytes |
font_02_sfnt_off00012cbf.bin943a341ed59ab6df4222c8af84f814ed28e4c312a2906f8f6099212a8493baa3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CBF | 11076 bytes |
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