MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites utilizing the 'super-forms' plugin. These URLs are likely part of a link farm designed to manipulate search engine results or redirect users to malicious content. The ML classifier strongly indicates maliciousness, supporting the assessment of a phishing or content-luring attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://oniceh.ru/uplcv?utm_term=ielts+general+reading+practice+test+2019+pdf PDF link annotation
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/c413393a9b1ce946f87a8b38cdcedc88/xokudakasa.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/7509a65d9786f0f2ea3a3110cdba274b/jogaw.pdfIn PDF document text
- http://ray-king67reunion.com/clients/41562/File/56472139646.pdfIn PDF document text
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/1da024b4a144fa1ec5dbe3a709a58f65/4322683492.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/8790a9221a405b4dfea67c63bd5cb7d0/latijovi.pdfIn PDF document text
- http://acecaalcoy.com/userfiles/file/19847397772.pdfIn PDF document text
- http://ardechetendancebrut.fr/userfiles/ardechetendancebrut.fr/file/reveroxovovaromog.pdfIn PDF document text
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/5vl99dhj6agn14df5kgbr3on1v/xewireli.pdfIn PDF document text
- http://jatyn.cn/upfiles/202107/file/1626421075.pdfIn PDF document text
- https://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/a6e9c7d81a0be530b0d815dcbb5baa13/jokekuka.pdfIn PDF document text
- https://pensionatiitalianiinportogallo.it/wp-content/plugins/super-forms/uploads/php/files/d49f7dcb749712f1c465748e2c8783e7/59744931767.pdfIn PDF document text
- http://ji-tien.com/userfiles/file/lavajebosesezijejefer.pdfIn PDF document text
- http://kutyasturak.hu/images/files/74683519401.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca3b034b9f---46059155607.pdfIn PDF document text
- http://carsongrad75.com/clients/3/35/35717660c32d3dd9b0ffde8f33a19d23/File/19753382132.pdfIn PDF document text
- http://odnoklassniki-files.ru/images/uploads/files/6025497014.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff898203ad---68093459828.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbc7eb4271---vupakopirevuxepujotapew.pdfIn PDF document text
- https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/8a4rtimeqcbkt7hpq9haiobjrk/tipum.pdfIn PDF document text
- https://bayardplaza.co.uk/wp-content/plugins/super-forms/uploads/php/files/0o75or2hbg8212h5gpnfc68dfu/72228923265.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2c151597fb---zafadaveduxobudo.pdfIn PDF document text
- http://accessiblevehicleservices.com/userfiles/file/sodugodusiwadu.pdfIn PDF document text
- https://www.ltgpartners.com/wp-content/plugins/super-forms/uploads/php/files/f92c4a35f78baf554215608893e3caf5/57685239200.pdfIn PDF document text
- https://deedpoll.sg/wp-content/plugins/super-forms/uploads/php/files/159c25c7b2e2fa6db22aa2c1a09548fb/57039222542.pdfIn PDF document text
- https://vishalahospitality.com/ckfinder/userfiles/files/52233753942.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_off0000f059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF059 | 17244 bytes |
SHA-256: b273ff2f999e7530d04178ddf15f1546b24e0683e4d42db0b52bf7efea0b51fc |
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font_01_sfnt_off00011d66.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D66 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001357d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1357D | 11088 bytes |
SHA-256: f17875bf3c76b1bdade05230766525e3f8c94d96bbcdfcc2371eda0f3ee92d1f |
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