MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm designed to redirect users to various PDF files hosted on compromised or disposable domains, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a phishing campaign aiming to trick users into downloading further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
Heuristics 6
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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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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://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/sujepibejel.pdf In PDF document text
- https://www.growxponential.com/wp-content/plugins/super-forms/uploads/php/files/jhodjh5alc97oagr61d9om7pm0/dopavosogezupojolakeburo.pdfIn PDF document text
- http://jungam21.com/upfiles/file/1631788721.pdfIn PDF document text
- http://osteriailgalloelinnamorata.com/userfiles/files/45823111576.pdfIn PDF document text
- http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16148d4572b034---6145898848.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b04956b5c---xinufam.pdfIn PDF document text
- http://defhjdr.friend-match.com/upload/files/kukadeduvaz.pdfIn PDF document text
- https://guineaservicesproviders.com/gsp/files/29768861636.pdfIn PDF document text
- http://maremio.ru/admin/ckfinder/userfiles/files/sazerokijinim.pdfIn PDF document text
- https://jakspravnenapsa.cz/userfiles/file/vedif.pdfIn PDF document text
- http://pedraferro.com/files/files/11046149376.pdfIn PDF document text
- https://g4m3s-4p1-12s1.com/contents/files/rezodepafobarufizikodu.pdfIn PDF document text
- http://kristiankutschera.de/userfiles/file/82959971933.pdfIn PDF document text
- https://samuelben-horin.com/userfiles/file/37396584.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138f770cf247---foroforagazigot.pdfIn PDF document text
- http://cleanking.net/userData/board/file/rubunevoduxinegav.pdfIn PDF document text
- https://jasz-pap.hu/UserFiles/file/41301366280.pdfIn PDF document text
- https://bodzlomu.com/userfiles/file/palexixixo.pdfIn PDF document text
- http://gesgo.de/userfiles/file/74200762869.pdfIn PDF document text
- http://twfbs.com/ckfinder/userfiles/files/jozuwonenebegujovimugejin.pdfIn PDF document text
- http://lingeriedediva.com/UploadFile/file/2021091723004173499.pdfIn PDF document text
- https://www.bevillelecomte.ovh/ckfinder/userfiles/files/rudanagetafe.pdfIn PDF document text
- http://tlxzkj.com/uploads/file/202208195174.pdfIn PDF document text
- http://utcsp2.rustyramone.com/uploads/files/jukenirura.pdfIn PDF document text
- https://kiofruits.com/admin/uploads/files/50807705643.pdfIn PDF document text
- http://yavuzselimvakfi.org/resimler/site/files/79983541415.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=poko+game+apk+downloadPDF 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_off0000bb35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB35 | 10456 bytes |
SHA-256: 5de9dc333534292f9fa890e7172719cd2cf51312d99325424604066dd23874cb |
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font_01_sfnt_off0000d2c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2C7 | 17608 bytes |
SHA-256: 85d3d520237ac8cc3cce9d205546eb517888a103eb3d6d22e93e464072802698 |
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font_02_sfnt_off0001005f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1005F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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