MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm hosted on multiple compromised WordPress sites, as indicated by the 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics. These links likely serve as redirects to malicious or phishing content. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/33rfk53c7fc73qev4dsff0rtgt/kenujopifixuguluxa.pdf
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/0f4665abe0b3926e9d17390d55042f40/98783846716.pdf
- https://erinmillssmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/btvjiciuq6ked26qmu8p6ms8v3/kuvekagupoxurarewomanu.pdf
- https://alllegaltask.com/wp-content/plugins/super-forms/uploads/php/files/9bdrl8diucmj2qamt7ffqmuusq/tubodimudonoxidape.pdf
- http://esoftland.com/userfiles/file/lenuwepuli.pdf
- http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086759b6b1ee---kowefekojipabij.pdf
- http://yjccnc.com/upload/files/rakojuramofipiw.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/4ab6d02e615d936e49091345f68d05b6/paxawetegifizadokejojuko.pdf
- http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b24a6f28560---kezilodimez.pdf
- http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/7310c0601a17eff60a6a0399764a77c6/56519564618.pdf
- https://aviatroglo.fr/IMG/file/703115257.pdf
- http://halaljones.com/uploads/files/58092299859.pdf
- https://driftwoodcc.com/userfiles/files/xorulazatim.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/5d90ea2718e0cadfe69a51c391ac9d9a/97708496038.pdf
- http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cbfbfb153d9---takoragale.pdf
- http://hyundaihungthinh.com/uploads/images/files/gokadu.pdf
- http://daugiavanthienphuoc.com/media/ftp/file/26795184962.pdf
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/5c17c7e113400517c824ab2f1e0abacd/78528431452.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160897dd40033e---bozanusevebagetevuzituge.pdf
- http://petrduchek.com/files/nadotevanibabesefanudupej.pdf
- http://shinies.ru/img/lib/file/vojolokowebokosurug.pdf
- http://unseenadventure.com/userfiles/file/koniluwupakipiwavojowol.pdf
- http://www.tekkoo.net/images/library/File/gabagasudoxa.pdf
- https://www.surajinformatics.com/wp-content/plugins/super-forms/uploads/php/files/38b4ee5092414294b7e001aadbce4663/81179975299.pdf
- https://rkdestate.com/userfiles/file/63745307459.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=tinea+versicolor+for+years
- 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_off0001095d.bin900c815340f8a5d4b4b3905a162d3d5d0bc2dae1fff9ce0da8541a8f0bb3b6ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1095D | 17280 bytes |
font_01_sfnt_off000136cc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136CC | 16792 bytes |
font_02_sfnt_off00014ee3.bin250fff4115e8e809a7cb1d0ffd58a416745496eafa7300e1d1afccdf0367a051 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14EE3 | 10372 bytes |
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