MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm directing to multiple domains, some of which are hosted on compromised CMS upload storage, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The document body is unreadable, but the heuristics and URLs point to a malicious link farm designed to lure users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://wcsps.com.tw/ckfinder/userfiles/files/2900319382.pdf
- http://arkystudio.eu/userfiles/files/mewogukajapolixajapof.pdf
- https://emenu.hu/editor_up/84094866468.pdf
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/7f6d00763d4c97e137763c4ae0c32347/88835594922.pdf
- https://www.azulejositurry.com/wp-content/plugins/super-forms/uploads/php/files/5sjrnpe70e4hhucrd5d61n99t1/lilonimawifamifefomolugu.pdf
- https://himalayanwanderer.com/himalayan/userfiles/files/24435541795.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/16133adfb143a3---davomufenenibunutemota.pdf
- http://ilturismoinitalia.it/userfiles/files/30032599185.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fb05b9c58e---91197886458.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b3f5b7a644---lidefowemawekadog.pdf
- http://okudshava.ru/userfiles/file/widajupo.pdf
- http://inistor.com/ufiles/files/zakagasadisoxumovagepi.pdf
- http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/f9cf8e741a10220040793950a078aa28/ferusixujufaguzar.pdf
- http://roycraft.ca/userfiles/file/15994446846.pdf
- https://rubfila.in/files/file/musonogegebuvimevutisuxig.pdf
- http://www.themixchange.com/userfiles/files/vazukuzam.pdf
- http://effekt-film.de/files/file/90394876995.pdf
- https://9ja-bet.com/userfiles/file/betikuzi.pdf
- http://opuspointpartners.com/ckfinder/userfiles/files/pelasageselara.pdf
- https://barrier.exma.cl/ckfinder/userfiles/files/fezaxexekirumil.pdf
- https://sevenhillsgroup.net/ckfinder/userfiles/files/kubuwenubake.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=blue+and+red+eyes
- 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_off0000b073.binccc6dddda280cd1e5e38efdf37be551bd97a05476d5c14c7a36f41a0de0a1ac9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB073 | 10200 bytes |
font_01_sfnt_off0000c772.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC772 | 16792 bytes |
font_02_sfnt_off0000df84.binbed666543f84586c7b3f848ccef39b1d10e9ab0d969e28955dd5f9bada619909 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF84 | 16468 bytes |
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