MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code or redirecting users to malicious sites. Several heuristics indicate the PDF is part of a link farm, with many external URIs pointing to potentially compromised or disposable hosting. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://ddnepal.com/assets/userfiles/files/lejulewututitopikar.pdf In PDF document text
- https://phoneeucom.zabolekarburgas.com/userfiles/file/83264226194.pdfIn PDF document text
- https://fiscalonline.eu/app/webroot/files/userfiles/files/22749283851.pdfIn PDF document text
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/04894851456ccb135dda107d57e98e94/refuwidiropozixudegazevaw.pdfIn PDF document text
- http://fu-xin.tw/uploads/files/202109050651201707.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/74ea0d7a25b00a5d94f4d1dc5e25ea29/5099257685.pdfIn PDF document text
- http://valsadindustries.com/userfiles/file/94133291379.pdfIn PDF document text
- https://hanakspotrebice.cz/eshop/ckfinder/userfiles/files/13428963470.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6c0607e9c---rebupo.pdfIn PDF document text
- https://theipbuzz.com/images/file/ruzajibijawipesevo.pdfIn PDF document text
- http://klgd.spokoino.ru/i/upload/files/88438610298.pdfIn PDF document text
- http://chikatere.com/Upload/files/47975760189.pdfIn PDF document text
- http://aire-limpio.com/img/editor/file/45218436717.pdfIn PDF document text
- http://amicalelaique-guyancourt.fr/ckfinder/userfiles/files/79222467949.pdfIn PDF document text
- https://uetty.xyz/js/ckfinder/userfiles/files/sixezanalevidexegagu.pdfIn PDF document text
- http://hfengly.dk/skoleportalen/userfiles/file/lisuxupizebobugubiru.pdfIn PDF document text
- http://studiopignotti.it/userfiles/files/74834201541.pdfIn PDF document text
- http://www.fuchingrading.com/upload/file/65214953702.pdfIn PDF document text
- http://podlahyadvere.sk/editor_uploads/system/files/gowamarew.pdfIn PDF document text
- http://astmasme.com/userData/board/file/lisidipokidipupodowupivim.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=dragon+quest+vii+android+englishPDF 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_off0000b0e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0E2 | 15680 bytes |
SHA-256: 9b6d4e193b0fedc6975d76bcf9ace6cfc6bb99e9d2c1f0335d59fd6b67c144b0 |
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font_01_sfnt_off0000d8df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8DF | 10840 bytes |
SHA-256: ef2a28fcca1f5529e452d91e95580ace126772f472cd227933565ef3f75e5bb9 |
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font_02_sfnt_off0000f158.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF158 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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