MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous URLs, many of which are hosted on compromised or disposable domains, indicating a malicious intent to redirect users. The heuristic firings suggest this PDF is part of a link farm designed to distribute malicious content or phish for information. The ML classifier and ClamAV detection strongly support the malicious verdict.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://philabc.ru/uplcv?utm_term=movie+times+kendall+square PDF link annotation
- http://www.mbk-montage.nl/ckfinder/userfiles/files/zojerigixivujupuxunozevaj.pdfIn PDF document text
- http://yilip.net/userData/board/file/suxixerijofijisabugoriz.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1614317e9f074a---batalivizonemukifokureba.pdfIn PDF document text
- https://adproissy.emailingmanager.com/uploads/editor/file/12602498980.pdfIn PDF document text
- https://medsplus.us/admin/images/file/mejamuvefolitijepo.pdfIn PDF document text
- http://utpcomp.ru/uploads/files/14504565242.pdfIn PDF document text
- http://dakov.hu/_user/file/fenuzif.pdfIn PDF document text
- https://kibledergisi.net/resimler/files/39569795095.pdfIn PDF document text
- https://pianotuningdarwin.com/userfiles/files/visibew.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16145397b4f3d2---83914636965.pdfIn PDF document text
- https://quangtriasianwindow.com/uploads/image/files/vedokovema.pdfIn PDF document text
- http://nordicwalkingturak.hu/_user/file/98373308746.pdfIn PDF document text
- https://mimpiindah168.com/contents/files/fobokigisina.pdfIn PDF document text
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613032b8d034b---nesinoxevezewe.pdfIn PDF document text
- http://aiaato.com/FileData/ckfinder/files/20210925_CC071588558BE299.pdfIn PDF document text
- http://lexus-custom.com/js/upload/files/37968163450.pdfIn PDF document text
- http://emaaravm.net/upload/files/42860222575.pdfIn PDF document text
- http://immobiliareborghi.com/userfiles/files/13203110338.pdfIn PDF document text
- http://aelma.com/sites/default/userfiles/file/80173355434.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161503832ec750---22805387528.pdfIn PDF document text
- https://keongracun.org/contents/files/lanax.pdfIn PDF document text
- http://beijingxinzhi.com/userfiles/file/20210922010631_862459061.pdfIn PDF document text
- https://nyirfa.hu/uploads/files/11224869897.pdfIn PDF document text
- https://millersexpress.com/userfiles/file/20306654046.pdfIn PDF document text
- http://wlpp.net/images/blog/file/99425460022.pdfIn PDF document text
- https://rmduncanrealty.com/userfiles/files/mefitopuluz.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_off0000b3fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3FE | 19308 bytes |
SHA-256: 768771f1f4f6da766b264048c4414d78b3e2223acde9bd35e9d6ef0bb7d5be6d |
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font_01_sfnt_off0000e6bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6BD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fed4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFED4 | 10808 bytes |
SHA-256: adff33b7e2d5bec387244168f5f7dde9e541f10b268217556d9ab18c19008e6f |
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