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 are hosted on compromised or disposable domains, suggesting a link farm or phishing attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to redirect users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://infrive.ru/uplcv?utm_term=how+to+add+a+black+outline+to+image+in+photoshop PDF link annotation
- http://ekorob.pl/userfiles/file/mewetiru.pdfIn PDF document text
- http://megatex-plast.ru/pub/file/faparilorije.pdfIn PDF document text
- https://takipcisec.com/calisma2/files/uploads/nimutulupiwerolubebef.pdfIn PDF document text
- https://kuraniterbiye.com/resimler/files/24304047292.pdfIn PDF document text
- http://bjerkelunden.org/content/files/userfiles/file///48446520869.pdfIn PDF document text
- https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/34c9015ed658ac25a0d05b0f83b30ff3/50938215587.pdfIn PDF document text
- http://egitara.com/upfiles/files/muxajim.pdfIn PDF document text
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/mobub.pdfIn PDF document text
- https://xn----8sbcehyodmtf1czh.xn--p1ai/userfiles/file/julobimijaga.pdfIn PDF document text
- https://festivaldelmaridaje.com/sgi_userfiles/userfiles/files/13817006986.pdfIn PDF document text
- http://baigeleather.com/userfiles/file/40702322999.pdfIn PDF document text
- http://pokemom2.com/uploads/files/duzidabavutalowataberuges.pdfIn PDF document text
- http://dissanna.com/temp/fckeditor/file/59533026837.pdfIn PDF document text
- https://yakin-surewin.com/media/file/83165171584.pdfIn PDF document text
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1614278619d2bb---lisiwevegokamaj.pdfIn PDF document text
- https://greenvalleykerala.com/ckfinder/userfiles/files/gabusigunebudevawutadevot.pdfIn PDF document text
- http://maxbrio.kr/files/files/81849392428.pdfIn PDF document text
- https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/e18b0ab3b94e6bdd10b3e3332e303fb2/tawevafogepuzokuxiwunibak.pdfIn PDF document text
- https://nulifeus.com/~nulife/userfiles/file/59013507465.pdfIn PDF document text
- http://hertzlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/26519590819.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/cf8814a21f82fb8b4b79f0d25d06367f/sakel.pdfIn PDF document text
- https://groupburuemas2.com/contents/files/gerolob.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_off0000b01f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB01F | 14764 bytes |
SHA-256: 07dcb49c7544cf85c3443a131aeefbe7ce368b0bfc69ff764b82d4eb2aa8bb68 |
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font_01_sfnt_off0000d521.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD521 | 11268 bytes |
SHA-256: 6a048c463fae8294d161f47573e58dc0d34ddb4df03ed57237314537fc17ee8d |
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font_02_sfnt_off0000eef9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEF9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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