MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, identified by heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM'. The ML classifier also strongly indicated maliciousness. While no scripts were extracted, the structure suggests an attempt to redirect users to potentially malicious or SEO-manipulated content, likely delivered via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2e38929f4---wogexezoxov.pdf In PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/16077d38d6c15a---17648968442.pdfIn PDF document text
- http://infinijewelry.com/userfiles/file/47431550885.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16072559a9d9c1---17733031136.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/t4os15nu318ohgk6merqdulash/71246823567.pdfIn PDF document text
- http://apple888.vn/luutru/files/botisolutegoga.pdfIn PDF document text
- http://ski-experience-japan.com/images/blog//file/56772916695.pdfIn PDF document text
- https://venusnvs.com/userfiles/file/53271434905.pdfIn PDF document text
- https://ajitcoatings.com/uploads/xebufivu.pdfIn PDF document text
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/ba6773c332982d7d7ff4a5a785dac358/5873471357.pdfIn PDF document text
- https://dukeofmarshall.com/ckfinder/userfiles/files/fuvibanegoji.pdfIn PDF document text
- https://gradeagroup.com/wp-content/plugins/super-forms/uploads/php/files/9u9ua5l8f6j32p9nfp9o0otbth/kutiluzebis.pdfIn PDF document text
- https://bywuf.org/upload/editor/files/55221885430.pdfIn PDF document text
- http://hncastlecable.com/d/files/94129640873.pdfIn PDF document text
- http://qunjl.com/userfiles/files/88958104106.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/d79eef5bb7188d531748e3906e0934b0/senigukofesajivadib.pdfIn PDF document text
- https://sahyadrisevasanstha.in/userfiles/file/jewawabamopazazedesave.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/rizilapukanaredowexurit.pdfIn PDF document text
- http://ettermanenterprises.com/ckfinder/userfiles/files/15652186905.pdfIn PDF document text
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/0a32rhhbp12o08ukbq9mr5sk21/44429812746.pdfIn PDF document text
- https://himalayanwanderer.com/himalayan/userfiles/files/xunaxebul.pdfIn PDF document text
- https://spherule.org/wp-content/plugins/super-forms/uploads/php/files/676e216250f604e5686179e67c8ff641/40441992045.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=how+to+read+widal+test+report+in+hindiPDF 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_off0000de15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE15 | 17224 bytes |
SHA-256: 5b57f22df7335d78ce8f8ef417e2ad90ad83549019fb13c36e628d0737e12737 |
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font_01_sfnt_off00010b89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B89 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000123a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123A0 | 10568 bytes |
SHA-256: 7e6099f44d02652f3e8428ef26e3ff0ae5d69657b1c9bc7c9494748f68125241 |
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