MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or are part of a link farm on disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of JavaScript suggests an attempt to execute code, likely to download and run a second-stage payload or redirect the user to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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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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LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMANDExtracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://irlanc.ru/uplcv?utm_term=bedroom+eyes+full+movie+online
- https://thehouseproduction.net/file/kegowulotinaxovurep.pdf
- https://villadelauca.com/userfiles/file/62444582285.pdf
- https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/2ee3307818c2aadb40cee47dff8e654c/90270588117.pdf
- https://sogelec-eng.com/files/ckfinder/files/31790180282.pdf
- http://brucemayrockinstitute.com/assets/ckfinder/core/connector/php/uploads/files/58186861957.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1613f56f451dfd---vegitedefinegivapubulez.pdf
- https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/muwigonow.pdf
- https://autoprofi.ua/userfiles/file/53645822394.pdf
- http://marinda.ru/pics/images/file/45923239670.pdf
- http://cpk.by/ckfinder/userfiles/files/pemod.pdf
- http://bortran.com/upload/image/file/20210916063548.pdf
- http://civicwomen.com/ckfiles/files/46199270176.pdf
- http://cuathepvangohaiduong.com/images/ckeditor/files/gusugemotomokoribiweza.pdf
- https://hirurgija.me/files/20390313626.pdf
- http://qdcmd.com/data/files/gopujaratumekakozoku.pdf
- http://jurabos.nl/include/editor/file/kuzezudetazegusewo.pdf
- http://jotekonybakterium.hu/userfiles/files/woguxupevujebuxodijazu.pdf
- http://falconltd.pl/cache/file/bizikowoki.pdf
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/16146d56d9c523---77533181464.pdf
- https://ceccarbotosani.ro/userfiles/file/67411380157.pdf
- https://kingdomofgodmn.org/userfiles/files/80645995446.pdf
- https://dolnoslaskialarmsmogowy.pl/imgturysta/files/10300866972.pdf
- http://solarexperten.ch/fckeditor/editor/images/file/7415753827.pdf
- http://dongamold.com/fckeditor/upload_files/file/dijuzeziz.pdf
- http://jurabos.n
- 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_off0000c24f.binabb959875c038ea23aca21f085ea5cdf16023503c390f3e2a747ee247c292f77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC24F | 17500 bytes |
font_01_sfnt_off0000f01f.bin6a33002113c28fa48959f1347c5362b8b383887e7ac416260648f111881f7db6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF01F | 10588 bytes |
font_02_sfnt_off00010849.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10849 | 16792 bytes |
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