MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains numerous links, many of which point to compromised WordPress sites hosting PDF files. This suggests a link farm designed to redirect users to malicious content, likely for phishing or malware delivery. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://smit-electronic.hr/upload/datoteke/70963858315.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/16071c35fcc626---75101487532.pdf
- https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160b368ef6327c---47388786540.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609898326482e---lijojulobire.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/16090395b9a4ba---mizobitewutaga.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd4440f1a6---wivagazuwipetuvemi.pdf
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/6ccf2dd6fa7821c97dcc96259f892d4e/letixavizozavirubimi.pdf
- http://mmckno2010.zkosuchdol.info/files/17878202254.pdf
- https://anfauglir.com/images/file/70195201701.pdf
- http://megalaserasia.com/upload///balog.pdf
- http://nprofit.hk/userfiles/71442283060.pdf
- https://glasschneider.koeln/wp-content/plugins/super-forms/uploads/php/files/anb4ml2jcmkl8110cfq7oqnn1v/fekefozogirujetunasejeniv.pdf
- https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/ea76i92vh6hnb9h70adqa2hh8p/74089109547.pdf
- http://africanhairbraidingsalon.com/userfiles/file/nosurujilezowadiludixupi.pdf
- https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077228a833b3---99125873692.pdf
- http://nordicaluminium.ru/userfiles/file/78145214418.pdf
- https://loyallcanada.ca/editor_files/file/bizugugolupumi.pdf
- http://kondicionery-ivanteevka.ru/upload_picture/file/rimuwogibukud.pdf
- https://thaihoanghung.com/upload/files/47954323087.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/2de08c13636d22d6324e040651be246d/46276952050.pdf
- http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160ae03f2912e2---7015964567.pdf
- https://kar360.com/resimler/files/32366872330.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=store+keeper+experience+certificate+format+pdf
- 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_off0000dcfc.binc40994854fb2d8778a3c09b37321696857301b7da1bde5945624ad5d1b25dac7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCFC | 16744 bytes |
font_01_sfnt_off0001087b.bin1f860d8ed7132600551adc6479b054720e58a6122836297e7663e6055fe6afa3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1087B | 10836 bytes |
font_02_sfnt_off00012183.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12183 | 16792 bytes |
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