MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier strongly flagged this PDF as malicious, and the presence of multiple external URIs and link farm heuristics supports a high confidence assessment. The document body is heavily obfuscated and unreadable, providing no direct clues to its specific purpose beyond the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9949
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=first+and+last+name+example PDF link annotation
- http://max-metal.pl/gfx/file/xuwazomomikewab.pdfIn PDF document text
- https://mariapolis.es/ckfinder/userfiles/files/fuzowuturibiwowepe.pdfIn PDF document text
- http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613a85892e64c---95069416498.pdfIn PDF document text
- http://salkim.com/userfiles/file/16212832650.pdfIn PDF document text
- https://elmawadah.com/userfiles/file/finogaber.pdfIn PDF document text
- http://aquamedia.cn/ckfinder/userfiles/files/jevowupilokumitot.pdfIn PDF document text
- http://www.yemany.com/yemfiles/files/lobujat.pdfIn PDF document text
- http://taxilitomerice.cz/ckfinder/userfiles/files/27527747587.pdfIn PDF document text
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/91bb6ce788b6cc758d805adca32a3191/felonugazomeriza.pdfIn PDF document text
- http://kuppersbusch.hu/userfiles/files/zojivomaw.pdfIn PDF document text
- http://concilianavarra.com/userfiles/files/79331407523.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/ba467d90b5db727c1d4f32455ba00e6a/wazegibax.pdfIn PDF document text
- http://www.cerel.eu/images/wyswig_images/file/zodikepatej.pdfIn PDF document text
- http://www.anieliasfx.com/uploads/textareas/file/binukemuk.pdfIn PDF document text
- http://rongqichem.com/upload/files/ginadulewuvitotek.pdfIn PDF document text
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/cbed57f0059a17e6356fc171bdcd4100/35609778700.pdfIn PDF document text
- https://ginniglobal.com/uploads/file/15005848537.pdfIn PDF document text
- https://www.fyna.com.au/application/third_party/ckfinder/userfiles/files/1947266091.pdfIn PDF document text
- http://jeanthompson.nl/ckfinder/userfiles/files/gadebo.pdfIn PDF document text
- https://kermoulin.com/userfiles/file/42053575032.pdfIn PDF document text
- http://www.frank-diagn.hu/userfiles/files/vonumuwizadasejiwifotede.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388f66c7511---matalutemikikuw.pdfIn PDF document text
- http://mestan.by/images/file/30502285279.pdfIn PDF document text
- http://csc0731.com/userfiles/file/20210908155427_9si945.pdfIn PDF document text
- https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/c63c1d534c29567cbf364a6eccc60eb9/vabepimolivafemabidedaza.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_off0000cead.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEAD | 17952 bytes |
SHA-256: 0b24aff833bf59efccbd89f5550a35b96610d669a7e9bf549aab907588aaa53a |
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font_01_sfnt_off0000fce1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCE1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000114f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114F8 | 10512 bytes |
SHA-256: b90493a8fc8dd287c700e9ef46269867735ef67fbe8fe367b1384027de1cc495 |
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