MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious. The primary purpose appears to be directing users to external, potentially malicious, websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9867
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 https://crewmak.ru/uplcv?utm_term=kant+and+the+categorical+imperative PDF link annotation
- http://gopherandsquirrelcontrol.com/admin/images/file/6330754336.pdfIn PDF document text
- http://isitekmuhendislik.com/userfiles/file/62688394156.pdfIn PDF document text
- https://inoxquochoang.com/app/webroot/files/images/pages/files/kegatenazu.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/95475337801.pdfIn PDF document text
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/16133713f9eb55---rojumananoxurufudusew.pdfIn PDF document text
- http://linker-apps.com/files/tizuxapatoxuvixunigeliju.pdfIn PDF document text
- http://tpt.taipei/asset/uploads/files/xinofuluxoped.pdfIn PDF document text
- http://www.insight-assessment.com/ckfinder/userfiles/files/72551925832.pdfIn PDF document text
- http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16140e8037d043---sasozusuzutopavadetawo.pdfIn PDF document text
- http://fra2ange.it/userfiles/files/69083431539.pdfIn PDF document text
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16142ed1363c8e---xulafet.pdfIn PDF document text
- http://winterwonderlandzundert.nl/uploadimages/files/xomavagewemojoniwug.pdfIn PDF document text
- https://kalashad.com/userfiles/file/32129347398.pdfIn PDF document text
- https://michelbarbot.com/upload/files/51925142399.pdfIn PDF document text
- https://recapress.com/ckfinder/userfiles/files/63528468422.pdfIn PDF document text
- http://digifast.cz/userfiles/79286348440.pdfIn PDF document text
- http://kojeneckezbozi.eu/userfiles/file/22157701788.pdfIn PDF document text
- https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136d7619f2a0---36737564200.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613312f8c2ef4---31569769888.pdfIn PDF document text
- http://giadinhlaurenso.org/upload/files/zazit.pdfIn PDF document text
- http://lsphc.com/userfiles/file///88019852245.pdfIn PDF document text
- http://urduhadith.org/survey/userfiles/files/fasobiresafewojakapeba.pdfIn PDF document text
- https://ratoempat.com/contents/files/90920423959.pdfIn PDF document text
- https://kham.vn/userfiles/file/79032455584.pdfIn PDF document text
- http://studiotecniconuti.it/userfiles/files/winanitax.pdfIn PDF document text
- http://sun-green.eu/ckfinder/userfiles/files/83146025399.pdfIn PDF document text
- http://bosch-elektronarzedzia.pl/catalog/file/67858752954.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_off00013390.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13390 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00014ba2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14BA2 | 20324 bytes |
SHA-256: 871a0a59c0c4b86f9f7504012c64f2f882206b3c900a7ab19b16b5dfe4168412 |
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font_02_sfnt_off00018072.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18072 | 10852 bytes |
SHA-256: 883829e5dcbe214a4c240891a43d6ba55ae828b9db76b2d7883fa0740cbc0f02 |
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