MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains a link farm with numerous URLs pointing to compromised WordPress sites and other disposable hosting. The ML classifier strongly indicates maliciousness, and the heuristics identify it as a link farm designed to redirect users. The primary purpose appears to be SEO manipulation or directing users to potentially malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610106a4d0115---talaregax.pdf In PDF document text
- https://bnovum.hu/downloads/13715928412.pdfIn PDF document text
- http://cosmikkino.ru/sadm_files/mujupefizazadulel.pdfIn PDF document text
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/5cb5f4cb017a6a715f0a934ff0e0ad04/27948697511.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/munukutasoporojuteponujuf.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aea10fd65d4---83601812074.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/jafotovasezux.pdfIn PDF document text
- http://batterseataxi.com/survey/userfiles/files/29262411604.pdfIn PDF document text
- http://goodlack.cz/userfiles/file/jariruzatibiv.pdfIn PDF document text
- https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c186f56ab7---93124026319.pdfIn PDF document text
- https://linhngapt.vn/upload/files/pagikudadogiluxaxam.pdfIn PDF document text
- http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d0eba2677---9957628106.pdfIn PDF document text
- https://ecoretras.com/file/juluvarugibilurowosivu.pdfIn PDF document text
- https://ruxthai-guesthouse-chiangmai.com/ckfinder/userfiles/files/86447673870.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/bc677df35633da8ff1cce72442d8dd3e/rujedenuwiwub.pdfIn PDF document text
- https://topclassgreenery.nl/images/file/fadoxugawaj.pdfIn PDF document text
- http://footstepfloor.com/upfiles/files/79023886115.pdfIn PDF document text
- https://learningsolution.ca/userfiles/files/77237023221.pdfIn PDF document text
- http://ural-kip.ru/admin/ckfinder/userfiles/files/govugaberozejexejuf.pdfIn PDF document text
- http://buyyoutubesubscribers.com/ci/userfiles/files/donarazigewugerujag.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607fb8ba24eb6---12354771461.pdfIn PDF document text
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5b7c452f6---76208910854.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/58653940389.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=wimbledon+2019+draw+pdf+women%27s+singlesPDF 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_off0000db56.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB56 | 11456 bytes |
SHA-256: 83c110925b33e2bbd31bb2803133b9e5ab6eac24ddbf5aea678697443dd55cb8 |
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font_01_sfnt_off0000f621.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF621 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010e33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E33 | 20244 bytes |
SHA-256: 400827f4fa14d40db7999c55f7dab987770efe6b72986773979645564d20a7ea |
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