MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this, pointing towards a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://euroteam.vn/ckfinder/userfiles/files/69948434287.pdf In PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/7984cdd13f92f36635f6ded7eeb40983/kafojapiteruru.pdfIn PDF document text
- http://belovosushi.ru/files/95273796700.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/23113444259.pdfIn PDF document text
- https://hnhaa.com/userfiles/tnejp/files/31686447647.pdfIn PDF document text
- http://sgrappresentanze.eu/userfiles/files/73035109580.pdfIn PDF document text
- http://budaors.varosom.hu/userfiles/files/17248393043.pdfIn PDF document text
- http://makesrealsense.com/ckfinder/userfiles/files/mufakuweferagor.pdfIn PDF document text
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/50868367909.pdfIn PDF document text
- https://flims.atelierleuthold.ch/userfiles/files/duxotenugopi.pdfIn PDF document text
- https://duel.pl/userfiles/file/93356656491.pdfIn PDF document text
- http://lepetitjaunais.com/userfiles/file/pipazimoxubegusubebi.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/74605172858.pdfIn PDF document text
- http://marklaliberte.com/fckupload/file/pexabet.pdfIn PDF document text
- https://onutglen.com/caningest/images/file/28620177479.pdfIn PDF document text
- http://cjcounsel.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/vajavolitunipelefikon.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/f69bb468d79ad9c085fc81802a6b6b86/48985829190.pdfIn PDF document text
- http://gavinlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/raxigosuve.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a29e6ccfa7---venevafonedo.pdfIn PDF document text
- http://longthinhphat.net/uploads/files/fiwan.pdfIn PDF document text
- http://nokianhakkablue.ru/ckfinder/userfiles/files/nexoruvewevitituzotet.pdfIn PDF document text
- https://magerp.org/upload/files/guwivi.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=o365+login+inPDF 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_off0000b602.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB602 | 10120 bytes |
SHA-256: 09cdca14bf3d335c516c1688261984d4761e21db16a38877559524aa4f721471 |
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font_01_sfnt_off0000cca6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCA6 | 14904 bytes |
SHA-256: 60e0904c389594ffdb439e228d8fb194d625a3b03dabb4c9af76e76fce0506ec |
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font_02_sfnt_off0000f277.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF277 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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