MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a large number of embedded URLs, many of which point to disposable hosting or compromised CMS upload directories. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates that the document functions as a link farm. While no scripts were extracted, the ML classifier strongly suggests malicious intent, likely related to SEO manipulation or redirecting users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 5
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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://mentaplywood.com/images_upload/files/98734346302.pdf In PDF document text
- http://old.bgk-meshkova.com/ckeditor/ckfinder/userfiles/files/sakanitivak.pdfIn PDF document text
- http://hagithanh.hagigroup.work/data/media/files/56997699106.pdfIn PDF document text
- https://avflash.nl/upload/files/dubovorewosovala.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160813837e18b9---59928493142.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/896a9478e0912c70802461fe87a3bad1/7478065300.pdfIn PDF document text
- https://dichvumoinoi.com/ckfinder/userfiles/files/80446342145.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/xogulipe.pdfIn PDF document text
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/gq2kkqpo5pmq0l58bjje8uh9ds/78123398774.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/3af5cff648214b25fc3821aa90c689b9/judisatira.pdfIn PDF document text
- http://patanamachine.com/imgUpload/files/67341589731.pdfIn PDF document text
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/3nbdmg774jrk3j9omb1kct1h95/wivujedofen.pdfIn PDF document text
- https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/680402e89ff4ebd1b590428fe7a0f82e/25180298271.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/5a1aae5bcce9a85825716c01b3a1fe45/75195643803.pdfIn PDF document text
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160b822f43d6ab---74293391421.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/wowubapavew.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/99063136521.pdfIn PDF document text
- https://geneticapanama.com/userfiles/file/xuwazi.pdfIn PDF document text
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/0ussh04e1fpcq63auvoj2vt536/xenexotujuvavuve.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097fd9c355bd---kagexowipafe.pdfIn PDF document text
- http://kondicionery-krasnogorsk.ru/upload_picture/file/13117677283.pdfIn PDF document text
- https://fullhousetourism.com/UploadFiles/file/20210519055903170.pdfIn PDF document text
- http://amdind.com/userfiles/file/83795438143.pdfIn PDF document text
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160cfdb373b770---30366844050.pdfIn PDF document text
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1607d480192a1d---24337071193.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=servsafe+manager+7th+edition+study+guide+%28pdf%29PDF 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_off0000e151.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE151 | 11460 bytes |
SHA-256: 54c04d9db5a56cee0b7399a6b0bf24ee997140405ad574ab1582f46e6dd5ca3a |
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font_01_sfnt_off0000fc40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC40 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011452.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11452 | 18444 bytes |
SHA-256: 1b4b2b0fc6908570f45a92725eda78a34a80b62b32a62020bcd31df820be2df3 |
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