MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress upload directories, indicating an attempt to host malicious content. The ML classifier strongly flagged this PDF as malicious, and heuristics identified it as a link farm on disposable hosting. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the embedded URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609202c41258c---55409452091.pdf In PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ed79f770ee---6199715910.pdfIn PDF document text
- https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/3114faab0d359a7130dbca68b3eadca5/63069928398.pdfIn PDF document text
- http://aaaexpressheating.com/userfiles/file/soxuroxokoneg.pdfIn PDF document text
- http://daydreamspin.com/userfiles/file/49374702468.pdfIn PDF document text
- http://www.mueblesgamez.com/ckfinder/userfiles/files/goxifepezabam.pdfIn PDF document text
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160810ecd2ab45---vokeroxusupizarepaf.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/21253526238.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/88104527511.pdfIn PDF document text
- https://anfauglir.com/images/file/satamifibadadukebofa.pdfIn PDF document text
- http://ecbpolska.pl/wp-content/plugins/super-forms/uploads/php/files/b4ec5034a40d5830beb0817345fdf266/tosimof.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094648187031---21604863373.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836372c187d---34773836573.pdfIn PDF document text
- https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/7eb1c1290385db8b1bd57d443a2694c0/ruroxebibofizame.pdfIn PDF document text
- https://lawpropertyconsultants.co.uk/wp-content/plugins/super-forms/uploads/php/files/nqa1bah0mk2jj3dr9ubh7cl68t/97466387366.pdfIn PDF document text
- http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084ddfaabcd4---41687748122.pdfIn PDF document text
- http://lahma.pl/_u/userfiles/file/topelamesegomiwe.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16077f8442bbda---47460304094.pdfIn PDF document text
- http://coiffurenais.com/userfiles/file/93359919394.pdfIn PDF document text
- http://tuanayapim.com/rsm/files/zisokitul.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/74c29bbaece35bceade68c0760cb5972/87733441781.pdfIn PDF document text
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/946775fb1288d3c062dc51e9ae16f5d9/kakilevalepa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=how+to+save+different+pages+in+pdfPDF link annotation
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/3096d26e8b0c96dfeed00dc0f298db53/pedoj.pdfIn PDF document text
- 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_off0000e87a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE87A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001008c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1008C | 16644 bytes |
SHA-256: e4e5354905e915cb9442ae7efb23fe2d2612e9daf8f93fad1c20da59fc19ff13 |
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font_02_sfnt_off00012bf6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BF6 | 10768 bytes |
SHA-256: 0b70231b22ca0faff48eeb801043eadbff56d1ef78b44e11a3b06b677dedede3 |
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