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 upload storage or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://oniceh.ru/uplcv?utm_term=zepparella+whole+lotta+love PDF link annotation
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/9a3581f1beff8db06a915997c992b09b/94713710134.pdfIn PDF document text
- https://www.tamilsaga.com/ckfinder/userfiles/files/33812649087.pdfIn PDF document text
- http://clinicaveterinariaalbese.eu/userfiles/files/birabase.pdfIn PDF document text
- http://megatex-plast.ru/pub/file/17454546492.pdfIn PDF document text
- http://bellina.pl/userfiles/file/9338764599.pdfIn PDF document text
- http://celeb.huh.hu/UserFiles/File/midafazamozaniwunedarad.pdfIn PDF document text
- https://ajwatravel.com/wheelmarine/userfiles/file/varawezifewalefet.pdfIn PDF document text
- http://paillasse.hu/userfiles/file/34717556642.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/73689481349.pdfIn PDF document text
- http://prodottoitalia.eu/userfiles/files/45513157395.pdfIn PDF document text
- http://technestudio.eu/userfiles/files/60744823207.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/45139403737.pdfIn PDF document text
- https://lemonsport.sk/upload/file/82155180463.pdfIn PDF document text
- http://www.sanjuktabanerjee.com/fckimages/file/gojuxijewol.pdfIn PDF document text
- https://livres-d-art.com/ckfinder/userfiles/files/16968136976.pdfIn PDF document text
- https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/03k56hl6cqp2h8lbpe0k4rqh46/bumuniziluxofusezasu.pdfIn PDF document text
- http://extremedriveline.com/ckfinder/userfiles/files/82349660246.pdfIn PDF document text
- http://stsmcc.org/www/js/ckfinder/userfiles/files/gewokovikevagupewojo.pdfIn PDF document text
- https://pollackmihalyiskola.hu/ckfinder/userfiles/files/20892343544.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614cc13dace75---zaxojufovadogevurusigana.pdfIn PDF document text
- https://indiachristian.org/uploads/files/84692967982.pdfIn PDF document text
- http://52963566.com/upload/file/202109090111316042.pdfIn PDF document text
- http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/wetezubokixuk.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_off0000b9e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB9E9 | 18944 bytes |
SHA-256: ec3e03d9e4d3933958fd33796b02f7de96fb1739bd4e3aa554849af3ba28f472 |
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font_01_sfnt_off0000ea55.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA55 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001026c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1026C | 10100 bytes |
SHA-256: 4d4dc5f05a1fc012dc82a1a4d621996258f6ea6ab5ecd9b22ecb3361634149a3 |
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