MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS uploads or disposable hosting. These links likely serve as a link farm to redirect users to malicious or phishing sites. The ClamAV detection and ML classifier further support the malicious nature of this PDF.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 7
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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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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://laborke.ru/uplcv?utm_term=document+controller+oil+and+gas
- http://kimbuunguyen.com/uploads/userfiles/file/morijot.pdf
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/dglbl12flg73f1n91ee4bcfpr0/sufuj.pdf
- http://vinmexindia.com/uploads/segidedebovuzujal.pdf
- http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3d7981392---sobojutisesa.pdf
- http://aliceinformaticasrl.com/user/pages/50474473481.pdf
- http://etcad.net/np/upfile/file/12575371351.pdf
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac7ef2f11df---zifilijazegibulebovalo.pdf
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a644bf4e847---40431424459.pdf
- http://www.jucadent.es/ckfinder/userfiles/files/nugezakemaja.pdf
- http://computergramm.com/userfiles/file/57826464321.pdf
- http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c5e916ec41---61957915845.pdf
- https://readxyz.org/wp-content/plugins/super-forms/uploads/php/files/37d89558d77360df459581d8bc5bdb51/xusidonedibuvebizox.pdf
- http://patriabrno.cz/userfiles/files/wakatagodewikemixivuzof.pdf
- http://nhandieurangmuoi.com/ckfinder/userfiles/files/gifagowefajenimudad.pdf
- https://konferencii.ru/js/ckfinder/userfiles/files/23606494019.pdf
- http://shuswapladystriders.ca/userfiles/file/90201557937.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608778633b018---kuxagi.pdf
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607109c9b4010---majusip.pdf
- https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/ff55c1464c20d309ac52201259cb57ca/regomop.pdf
- http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830f8e268ab---51074332387.pdf
- http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16099cc4336a64---99231525818.pdf
- http://accessiblevehicleservices.com/userfiles/file/12598051930.pdf
- https://thesaddlebank.com/wp-content/plugins/super-forms/uploads/php/files/h89obndaco8k1rttj1sgnpviuv/19538110928.pdf
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/91158064434.pdf
- https://www.physioaktivkramer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a70cb8e3f9f---pajiduromatetugefajudi.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_off0000ca09.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA09 | 16792 bytes |
font_01_sfnt_off0000e220.bina0fca65f3bd431f733169584b32d1a994e4a977b2d76d63243115a24a684bea8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE220 | 10812 bytes |
font_02_sfnt_off0000fac4.bin70084bfadb7472b89179748c8c826fb8b430d236d141a94597f43ea4c90638ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAC4 | 17404 bytes |
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