MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF document containing embedded JavaScript, which is a common technique for delivering malicious content. The ML classifier and ClamAV detection strongly indicate maliciousness. The presence of numerous links to compromised WordPress upload directories and disposable hosting suggests a link farm used for distributing further malicious payloads, likely disguised as legitimate files.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3736062537---rokixisuxereg.pdf In PDF document text
- https://icicle-mountaineering.ltd.uk/ckfinder/userfiles/files/23262330986.pdfIn PDF document text
- http://gps-tw.com/CKEdit/upload/files/kanazifidimomemaxula.pdfIn PDF document text
- http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a09835ccb5b---pijanogekoloxavovule.pdfIn PDF document text
- http://alexandersorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92983581487.pdfIn PDF document text
- http://wami.cc/data/files/famigunakejul.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/67fe59be2fb019345a06616197e5ccfa/dojirotokelidiwimom.pdfIn PDF document text
- https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/f965c4ee47049fc3c0f23e51cad70d33/fivitexolotekeduvan.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/943gk7epahohr8uh2nnloap8nf/weribowoj.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc07e8093d---fuwuvajovolufomabofok.pdfIn PDF document text
- http://amuseonline.com/absite/userfiles/file/paxuxawujed.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609268f989d6d---nirifosogopelivujuret.pdfIn PDF document text
- http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/30675835752.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070e4edf39e7---94634831313.pdfIn PDF document text
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b598ea7f89c---67090804618.pdfIn PDF document text
- https://irastuff.com/admin/ckfinder/uploads/files/xegowovabazajem.pdfIn PDF document text
- http://nicolalazzarotto.com/userfiles/files/5964981400.pdfIn PDF document text
- http://christschoolblr.in/userfiles/file/84399114819.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/cgap5hiahapunodmsqb4ccuo6i/19993854195.pdfIn PDF document text
- http://greatnice.club/updatefiles/file/20778112576.pdfIn PDF document text
- https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/c3bc3d00ac8f8f3fa5993f902aaf0918/79510006880.pdfIn PDF document text
- https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/sooul1qrmri5ms7v9rgim8l7hj/nakivufazutetix.pdfIn PDF document text
- http://amctop.com/board_data/editor_img/file/202105131821.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=ultraman+fighting+evolution+3+iso+romPDF 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_off00012767.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12767 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00013f79.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13F79 | 17208 bytes |
SHA-256: 3ddbacca45d473191e29675c58b26ed485eddfba264e88ab6814d6e1c81b4038 |
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font_02_sfnt_off00016c72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16C72 | 11004 bytes |
SHA-256: 05df4464a5ab391e287c0e559bdfcb02d3cf52c9f9d8e11ea653ebe4cce70626 |
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