MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://inwebjor.ru/uplcv?utm_term=android+based+home+automation+system+project PDF link annotation
- http://ahdjcm.com/upload/files/29396494197.pdfIn PDF document text
- http://isleford.com/filespath/files/20210915223133.pdfIn PDF document text
- https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/pebesojomef.pdfIn PDF document text
- https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/33d8965ce6d616c850a0713eebcbbed0/89832246584.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/dbff73beef74c6e56113d9d3996434d3/98200839763.pdfIn PDF document text
- http://tk-weld.com/images/library/File/3045362130.pdfIn PDF document text
- http://www.pibmg.com.br/ckfinder/userfiles/files/files/kozilasibimapudabimilori.pdfIn PDF document text
- https://safe-international.com/userfiles/file/vowajapexazuj.pdfIn PDF document text
- https://avflash.nl/upload/files/xonitikorovum.pdfIn PDF document text
- http://bonezi.morefriendship.com/upload/files/40271844120.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/0ki6kgd90933oe1qti3009unaf/dasaguzir.pdfIn PDF document text
- http://tupnate.com/ckfinder/userfiles/files/9876451733.pdfIn PDF document text
- https://www.displaysdirectaustralia.com.au/application/third_party/ckfinder/userfiles/files/15362857980.pdfIn PDF document text
- https://ultralloy.net/upload/files/mutexowivo.pdfIn PDF document text
- http://reversetheclocknow.com/ckfinder/userfiles/files/93349770300.pdfIn PDF document text
- http://bankerz.in/qpic/files/41946922121.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/dc44777a65b6238fe2580de55803335b/wodirabidis.pdfIn PDF document text
- http://sieuthibds.net/images/files/sosorivuv.pdfIn PDF document text
- http://evolution-dev.com/file_media/file_image/file/60478376823.pdfIn PDF document text
- http://centrons.com/uploaded/file/94207827614b54180a68f.pdfIn PDF document text
- http://isystem.hu/userfiles/file/wofesikudadusov.pdfIn PDF document text
- https://network-italia.com/file/97225868955.pdfIn PDF document text
- https://cualuoihoanmy.com/uploads/userfiles/file/mejibuputalasopipapaguve.pdfIn PDF document text
- https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613f0392c9ab4---votezotodakekubik.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b2f4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2F4 | 11200 bytes |
SHA-256: 884d3d700f1338228f64a4e588cc4139538f6710ac15503af9a284a4ffe569ef |
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font_01_sfnt_off0000ccc8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCC8 | 19188 bytes |
SHA-256: f287849135966a787f04f5cedf56183006258b8afd1277728110773c76f9a5b0 |
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font_02_sfnt_off0000fd50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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