MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links pointing to compromised websites, many of which are hosted on WordPress sites utilizing vulnerable plugins for file uploads. These links likely serve as a lure to redirect users to malicious content or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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 https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/nv4nf675fhmvf7338g6jpma4mg/ripomorixuxolomejisel.pdf
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/d7742f5f615e41b5dc0147caa62115f0/57650307678.pdf
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/f9e224cb6a9af0fb0eb860f619220692/21329365273.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/160da6f2934fd1---xukadadizegumigek.pdf
- https://bda.ch/ckfinder/userfiles/files/41732124283.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e4d0b5dfdd---78714475941.pdf
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160d4165a48db4---39529773316.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c89bcd64d---zigizederevegoxawiz.pdf
- https://ckd-otto.com/contents//files/55347427203.pdf
- http://anbao.vn/uploads/userfiles/file/89424624542.pdf
- http://mousike.it/img_ins/files/libipafisuvigebiguzit.pdf
- http://massimosusto.eu/userfiles/files/dimidikagilobigaretigokej.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/548fc67892b3f9d79dd74d0cf5332099/42084909021.pdf
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16081e32290395---dujigimezizirokojuzemaf.pdf
- https://growyourmoney.in/userfiles/files/48935806621.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/5adac4ed27547fa6ae3b2819c7695e41/20353702837.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d044166a6---koreroxoluleluxudefe.pdf
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/e6d42f38c911b88e2239ed4446033c86/31830887848.pdf
- http://hanhthien.net/uploads/file/74678274407.pdf
- http://jcbcharpentebois.com/ressource/site-image/files/dutojewikekategawegu.pdf
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/f60b6929e5f21a131761aad4fb62b7b8/86711916106.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c13a0219fe---silosifofepadodibenela.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=harry+ron+hermione+and+ginny
- 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_off0000e971.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE971 | 16792 bytes |
font_01_sfnt_off00010183.bin3bc9a6d8689dffd6fc968068af97b0a5531493dfe58b28c622d50025a565028f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10183 | 17320 bytes |
font_02_sfnt_off00012f02.bin0a2f839392ad4c32cbc5fc09671a8dc908dd8887da181c5a3c022ed1f94edf7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F02 | 10488 bytes |
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