MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm or SEO poisoning attempt. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the presence of multiple external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic indicate a malicious intent to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://keralastatetailorsassociation.com/userfiles/file/buwirev.pdf In PDF document text
- http://moderncarrent.com/user_img/files/22861263666.pdfIn PDF document text
- http://pharmabiosolutions.com/filespath/files/20210920085638.pdfIn PDF document text
- http://haohanlegend.com/Uploadfiles/files/kifarufojijuso.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/c9fc4b9216d0646151403d9ba936267f/67877757319.pdfIn PDF document text
- https://strongpointmarketing.net/userfiles/file/wisopopaf.pdfIn PDF document text
- http://exteractif.fr/pictures/2/21629416244.pdfIn PDF document text
- http://vetsnab32.ru/userfiles/file/98217596337.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614875dc89c0a---46927210321.pdfIn PDF document text
- https://vsevolozhsk.mebel18.com/uploads/files/sipigorukiposa.pdfIn PDF document text
- http://larrysiegellaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xiweduxeletuji.pdfIn PDF document text
- http://gediklimakinahidrolik.com/resimler/files/pirizixetutofid.pdfIn PDF document text
- http://jysfh.com/upload_fck/file/2021-9-20/20210920082520552741.pdfIn PDF document text
- https://snapstudios.ca/userfiles/file/noloxipidotumejajurujar.pdfIn PDF document text
- http://airfa.it/userfiles/file/ribipararomomojafi.pdfIn PDF document text
- https://websbag.com/uploads/files/fefobelib.pdfIn PDF document text
- https://www.auto-ecole-acm.com/ckfinder/userfiles/files/zubodimi.pdfIn PDF document text
- http://dpsnowodworze.pl/userfiles/file/68262591224.pdfIn PDF document text
- http://scouttautomotive.com/editor_uploads/system/files/lawawinemuzumifumu.pdfIn PDF document text
- http://miraesusan.com/ckupload/files/52015485619.pdfIn PDF document text
- https://worldcastlive.com/userfiles/file/36341386083.pdfIn PDF document text
- http://allineers.morefriendship.com/upload/files/58873393287.pdfIn PDF document text
- https://xedulichhaiphong.vn/images/news/files/84009343130.pdfIn PDF document text
- http://stavclearing.ru/upload/files/nifamataz.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d63a7fa27---zoves.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+use+image+button+in+android+studioPDF 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_off0000c69a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC69A | 17296 bytes |
SHA-256: 6bfd2b242bb177a8ab8002efe26ab351b10d82446887eb224cbc023f44d83015 |
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font_01_sfnt_off0000f405.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF405 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C1C | 10860 bytes |
SHA-256: 55ba0b7e5a76458c9f381747eb1ed840f0deb725f50c13cc80fcdecbaf530c74 |
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