MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to domains flagged as potentially compromised or disposable hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of link farming, likely to manipulate search engine rankings or direct users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://eau-msu.ru/ckfinder/userfiles/files/47933289203.pdf In PDF document text
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/mitexi.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/160917e2f99ae6---22527026472.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/gewot.pdfIn PDF document text
- http://bigcool.net/webroot/img/files/37967119229.pdfIn PDF document text
- http://mariancozma.com/_user/file/puwilatefolati.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/wefewedaxotaz.pdfIn PDF document text
- http://ferrocom-spb.ru/userfiles/files/62315165293.pdfIn PDF document text
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16085581c29923---gunubufamalal.pdfIn PDF document text
- https://doganagolosa.it/file/jarupopekuwema.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/5kjsg8s7l3g2a83ftlp13j5n03/64485944977.pdfIn PDF document text
- http://luxmeterthai.com/ckfinder/userfiles/files/xefefuwomerujuwulaxi.pdfIn PDF document text
- http://www.ccengis.be/applications/ckeditor/addons/ckeditor/ckfinder/userfiles//files/28940974867.pdfIn PDF document text
- https://too.kg/wp-content/plugins/super-forms/uploads/php/files/9264c448c088524297df41cb3df800f9/bezubawizadonovexabomejoj.pdfIn PDF document text
- http://innovad-ltd.com/userfiles/file/49555374983.pdfIn PDF document text
- http://richmore.kr/uploadfile/fckeditor/file/42989717775.pdfIn PDF document text
- http://cuhs1981.com/clients/8/82/82ca37c076ec4232796cb58ed009bb3a/File/81781214349.pdfIn PDF document text
- http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/xazikitedo.pdfIn PDF document text
- https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f92094eff---tonemolemidajur.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160e1c318b0d56---koluvazebugikilubu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=define+disc+personality+profilePDF link annotation
- 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_off0000fc80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC80 | 17096 bytes |
SHA-256: e0b70cc22b15136988970b69e0f50ada7d2e40c2dae074f9e90d9c640c7e7029 |
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font_01_sfnt_off00012903.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12903 | 10728 bytes |
SHA-256: 83cce410d0739e8578d148003bf781d139c4fec6b6a54f680994e93d299cf788 |
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font_02_sfnt_off000141cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x141CD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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