MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9860
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://kleiberit.ru/files/file/kifubesuvanipemuriguvipi.pdf In PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a0b995665c---zeruvozanukonipimino.pdfIn PDF document text
- http://gallery4walls.com/upload/editer/file/jorupefimosevita.pdfIn PDF document text
- https://nasikampung.info/contents//files/79525282866.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16086681aca771---82456326573.pdfIn PDF document text
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/a43575b4f609f5b7f711d1a2adb09825/8433151840.pdfIn PDF document text
- https://andrejc.si/files/file/49294427188.pdfIn PDF document text
- http://eltonltd.ru/sites/default/files/uploads/bisisililew.pdfIn PDF document text
- https://www.xcelsus.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b940a053938---xorerokusesuf.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b1e8302e0c---metajogebenu.pdfIn PDF document text
- https://alarouba.com/ckfinder/userfiles/files/59068523655.pdfIn PDF document text
- https://termoformat.md/img/files/bojesisojikizewogumekopo.pdfIn PDF document text
- http://sgyscom.com/upload_fck/file/2021-8-15/20210815094235911585.pdfIn PDF document text
- https://vibanghanoi.com/uploads/files/loxetozobexukuzujogev.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d437f91a89---fufowovatigunomeke.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a95f980716d---53184985443.pdfIn PDF document text
- https://telenovella-bg.com/files/bufirad.pdfIn PDF document text
- http://yogathoitrang.com/quangbasanpham/app/webroot/upload/image/files/55200347661.pdfIn PDF document text
- http://vervesimuhub.com/userfiles/file/91197727250.pdfIn PDF document text
- http://alpanelektrik.com/depo/sayfaresim/file/4495479195.pdfIn PDF document text
- https://wonwon.taipei/photo/file/wubiwuv.pdfIn PDF document text
- https://mehreganimaging.com/images/upload/files/33363122180.pdfIn PDF document text
- http://portaldo.eu/contenuti/upload/file/kilezigisovimawagajimedix.pdfIn PDF document text
- http://nccutrackandfieldnation.com/clients/2/2c/2cea5a7e730406ee40dfbbde6098010c/File/luxunozotasotan.pdfIn PDF document text
- http://aktifimmo.lu/userfiles/files/woritudutinu.pdfIn PDF document text
- https://euforbiabulgaria.com/uploads/pages/files/zijafazekafikugineko.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=newton%27s+laws+of+motion+pdf+answer+keyPDF 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_off0000dfa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFA5 | 10964 bytes |
SHA-256: 00f36386d52784cbe2731d4aec3470160357d6aca8eede576a43bc3faa20d37c |
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font_01_sfnt_off0000f932.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF932 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011144.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11144 | 18012 bytes |
SHA-256: 15f4f2dace5014273feb979f03112062ce24e9dbbfe9436501f71c551268c077 |
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