MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised CMS upload directories or disposable hosting. The ML classifier strongly indicated maliciousness. The presence of numerous links suggests a link farm designed to direct users to potentially malicious sites, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://podlahypilat.cz/admin/file/24020161949.pdf In PDF document text
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/91fc7f478d89a340da2aceda67f9061b/vupaxo.pdfIn PDF document text
- https://edinburghpools.com/contents//files/mizezazag.pdfIn PDF document text
- https://pjkconstruction.ca/images/file/nisulu.pdfIn PDF document text
- https://casentinoshopping.it/file/73315232316.pdfIn PDF document text
- http://gardenofsound.com/userfiles/files/89555045659.pdfIn PDF document text
- http://i-harmonics.com/upload/files/32953641811.pdfIn PDF document text
- http://www.johnknox.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1607285f803830---zarasew.pdfIn PDF document text
- http://esistore.be/userfiles/file/73798125927.pdfIn PDF document text
- http://ros.by/ckfinder/userfiles/files/16065436498.pdfIn PDF document text
- http://cuatro-pr.org/sites/default/files/file/9878364306.pdfIn PDF document text
- https://www.pollackmihalyiskola.hu/ckfinder/userfiles/files/dekejiwidefowi.pdfIn PDF document text
- https://rajatotogroup1.com/contents//files/7650007394.pdfIn PDF document text
- http://redactron.com/userfiles/file/wujogududufumufotikozat.pdfIn PDF document text
- http://coinproject.com/userfiles/image/file/78834442207.pdfIn PDF document text
- http://birnagarcollege.in/userfiles/file/tevafudag.pdfIn PDF document text
- http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a88eacacb56---27088740053.pdfIn PDF document text
- https://www.luxboss.com/ckfinder/userfiles/files/fefovivukixaro.pdfIn PDF document text
- http://cadelupo.it/userfiles/files/watolukonulikabeliz.pdfIn PDF document text
- https://evermoral.hk/upload/file/1629939268.pdfIn PDF document text
- https://highlander-inn.com/assets/userfiles/files/bugomimawutaraja.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b7808db2d63---fevigobesatemipatiruduso.pdfIn PDF document text
- https://svetpoznaniyaonline.ru/wp-content/plugins/super-forms/uploads/php/files/f6490ef30e6ae1377e3e1d3e30a03d8e/lananuxowiwotexonazarek.pdfIn PDF document text
- http://chromatographvials.com/d/files/giduzilagipojenebexe.pdfIn PDF document text
- http://asztalosweb.hu/userfiles/file/vikodexosifurubemir.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=necrotizing+ulcerative+gingivitis+pdfPDF 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_off0000b8d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8D0 | 15416 bytes |
SHA-256: 52650ccf636403cddff4a37e40cc915e04e4b53dda2980baa0adf105ab139276 |
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font_01_sfnt_off0000dfc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFC1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f7d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7D8 | 11000 bytes |
SHA-256: 17893e90b68ec778707d223047bee0336f9435149ed52465ce562a10574d52ff |
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