MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous links pointing to compromised WordPress sites, which in turn host other PDF files. This suggests a link farm strategy to obscure the ultimate malicious destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138cd537ec7a---nipuwonukotavuluwukejawe.pdf In PDF document text
- http://faizleathergloves.com/userfiles/files/duxobupadejaje.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/85169392731.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/13140995820.pdfIn PDF document text
- http://arkystudio.eu/userfiles/files/repupenojitojak.pdfIn PDF document text
- https://andana.us/files/files/buzejeromewudotifodufifoj.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c689519abe---82166738745.pdfIn PDF document text
- https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161349eef93be3---sagizupixufuxiwu.pdfIn PDF document text
- http://strap.sk/uploads/files/ramizexakonef.pdfIn PDF document text
- https://svltv.in/userfiles/files/94428664457.pdfIn PDF document text
- http://escritacontabilidade.net/fotos/news/file/kopezutabe.pdfIn PDF document text
- https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/5743652691.pdfIn PDF document text
- http://dioceseofniranam.org/userfiles/file/wosubiluk.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/tahc01vt65rpheco7cd29377r5/zejixafesejamiradafof.pdfIn PDF document text
- http://bezagsecurity.cz/userfiles/jafidevutofibemol.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613f1505cc0d0---87300574610.pdfIn PDF document text
- http://studioriboldi.eu/userfiles/files/39740695310.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/555de28e1f9a3299eb5dabc9fa6d787a/nubez.pdfIn PDF document text
- http://dentherapia.hu/files/file/12594761167.pdfIn PDF document text
- https://daaeportrett.no/upload/file/ruvabanixer.pdfIn PDF document text
- https://hoangphatdanang.com/uploads/image/files/32706625066.pdfIn PDF document text
- https://tauthuy.vn/upload/files/xubafu.pdfIn PDF document text
- https://castilloexterior.es/ckfinder/userfiles/files/81243360544.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=war+tamil+dubbed+movie+watch+onlinePDF 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_off0000f9aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9AA | 10852 bytes |
SHA-256: 597002921a790ada7b8b572f4878c58d5ebdd843a0a94a29046b9f7f28fa2d8b |
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font_01_sfnt_off0001127e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1127E | 18312 bytes |
SHA-256: 13d752d9a10385dda40957dfe3df5ea24252d67b0e2a4537e9c55608e8077f7b |
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font_02_sfnt_off00014264.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14264 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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