MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm with numerous URLs, several of which point to compromised WordPress upload directories or disposable hosting, indicating an attempt to lure users to malicious sites. The ML_NYX_PDF_MALICIOUS heuristic and ClamAV detection strongly suggest a phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://batikatravels.com/userfiles/file/81768355328.pdf In PDF document text
- http://barbusci.it/maisUserFile/file/wosikufotujunuj.pdfIn PDF document text
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613db661b2d57---9509147111.pdfIn PDF document text
- http://vistobrasil.net/uploads/file/64901205281.pdfIn PDF document text
- https://bcbc3399.com/upload/files/17166315540.pdfIn PDF document text
- https://www.cocochan.com.pk/wp-content/plugins/super-forms/uploads/php/files/4eb23d77375bb2e277c1f4b40da10349/loxiwodovosetoj.pdfIn PDF document text
- http://huzatfokozo.hu/editor_up/zugapejonowutukejalagoga.pdfIn PDF document text
- http://ipceurope.eu/assets/file/38348575118.pdfIn PDF document text
- https://gberwanda.com/gbe/useruploads/blogs/files/fixeleva.pdfIn PDF document text
- https://hr-serdahel.hu/images/file/garujimofawolosijeles.pdfIn PDF document text
- https://anna-bel.com/app/webroot/files/userfiles/files/7602976082.pdfIn PDF document text
- https://vnsteeldetailing.com/UserFiles/files/3194203797.pdfIn PDF document text
- https://dintek.eu/uploads/file/97643398654.pdfIn PDF document text
- http://struttur-arch.it/userfiles/files/xiwabil.pdfIn PDF document text
- http://elite-nails.pl/Upload/file/69301183862.pdfIn PDF document text
- https://gelblighting.com/userfiles/files/52533076378.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/161403dba559e7---witufuwubibugolonikin.pdfIn PDF document text
- https://luyenthitoeic.info/userfiles/file/78158581591.pdfIn PDF document text
- https://plantbiochem.com/ckfinder/userfiles/files/dijazo.pdfIn PDF document text
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1613992f7002b1---buzibeg.pdfIn PDF document text
- http://xn--b1amishc2fb.xn--p1ai/ckfinder/userfiles/files/patevigubatozim.pdfIn PDF document text
- https://optimumquestsolutions.com/ckfinder/userfiles/files/joresowovomevajigosoro.pdfIn PDF document text
- https://wspaperbag.com/userfiles/file/gazejud.pdfIn PDF document text
- http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/tabugenonamedag.pdfIn PDF document text
- http://abwingsva.com/uploads/files/nifukozutog.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=viber+free+download+for+windows+7+64+bitPDF 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_off0000dae7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAE7 | 16628 bytes |
SHA-256: 3d6cb3a01b57d84688c91fe60cfd816b3ba3f2aeef96fa7414ff9b2e3f5ed05d |
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font_01_sfnt_off000105f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105F3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011e0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E0A | 10836 bytes |
SHA-256: 5666314f6fd4616916e3628836e71e91a58c09788d790cc95cb79fe05a53e4be |
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