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 websites, many of which are hosted on compromised CMS platforms. The ML classifier strongly indicates maliciousness. The primary attack pattern observed is the use of a link farm to redirect users to potentially malicious content, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/p9f71qm7stjqfe4b55scmae8t6/woterijaditagerapu.pdf In PDF document text
- http://riversreunion.org/clients/8699/File/13424220245.pdfIn PDF document text
- http://zonweringbelgie.com/ckfinder/userfiles/files/82793734574.pdfIn PDF document text
- https://hfbee.tw/upload/ckfinder_temp/files/20210903062430.pdfIn PDF document text
- http://winkeleninzundert.nl/uploadimages/files/regepobuz.pdfIn PDF document text
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160897b6d6f305---38385591988.pdfIn PDF document text
- https://sluganarodu.org/userfiles/files/duvurak.pdfIn PDF document text
- https://genesisbehaviorcenter.com/wp-content/plugins/super-forms/uploads/php/files/886a8d697561cfab844b72ab76d24214/jobatenizokezejuxomaf.pdfIn PDF document text
- https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/e3hl9b93vkfm0snl4iipf9kvnp/93965717762.pdfIn PDF document text
- https://urbanplace.me/wp-content/plugins/super-forms/uploads/php/files/f5d0439e4c9e1756cc8a48ccafbf5f0b/tutuwemaxisorek.pdfIn PDF document text
- http://piazzademarini3ge.com/userfiles/files/12351999764.pdfIn PDF document text
- http://dongzzang.com/userfiles/file///31725878364.pdfIn PDF document text
- https://jagamimpi.org/contents//files/88542656089.pdfIn PDF document text
- http://candientuvibra.com/images/file/18808160571.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///65499848239.pdfIn PDF document text
- https://greenbins.ca/ckfinder/userfiles/files/tofetatowuxijidikogibu.pdfIn PDF document text
- http://sanarina.de/ckfinder/userfiles/files/23454092947.pdfIn PDF document text
- https://emenu.hu/editor_up/15547020288.pdfIn PDF document text
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160abf7167a03a---superu.pdfIn PDF document text
- http://archinfo.ru/uploads/file/sijinig.pdfIn PDF document text
- http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/0diq0i4o74tb76osrr9i3i5oq7/togapij.pdfIn PDF document text
- https://www.enviedecrire.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a03054b5d---bekinotekovubeverovopewa.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=platero+y+yo+descargar+libro+gratis+pdfPDF 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_off0000d977.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD977 | 20472 bytes |
SHA-256: 18244f16a0d3cc2b45f05f88ba75914bde077d69dfb628a4c645fc7835380cc9 |
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font_01_sfnt_off00010e34.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E34 | 10948 bytes |
SHA-256: 8c1613577f244ea2fc05c7e737755e4628d3dec8d5c58d31572bc4d35510c48c |
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font_02_sfnt_off0001275b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1275B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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