MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of embedded URLs, many of which point to compromised CMS upload directories or disposable hosting. This indicates a link farm strategy, likely for SEO manipulation or to serve as a distribution point for further malicious content. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://europacreativaeuskadi.eu/files/galeria/files/xegetufasiralugutu.pdf In PDF document text
- http://imagespa.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16071d8bb12a37---81215579084.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ff6c3edca92---wuwofuganoti.pdfIn PDF document text
- https://bahia-group.com/ckfinder/userfiles/files/19880757880.pdfIn PDF document text
- http://studiotrusso.it/userfiles/files/lafosejolinotevapavexi.pdfIn PDF document text
- http://kapli74.ru/upload_picture/fizovaxopimi.pdfIn PDF document text
- http://say-international.eu/userfiles/file/kakodekutejafu.pdfIn PDF document text
- http://fantacyhandicraft.com/userfiles/file/78730081853.pdfIn PDF document text
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607108aa2a754---dokevid.pdfIn PDF document text
- http://www.dfdtrading.sk/ckfinder/userfiles/files/39374943164.pdfIn PDF document text
- https://nabsangram.com/userfiles/file/tenotadedusananexarusanem.pdfIn PDF document text
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d30206b44d---tebudanudefa.pdfIn PDF document text
- https://atkarisuli.hu/userfiles/file/87045849281.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad14ea06213---67670233702.pdfIn PDF document text
- http://taiwanglassgroup.cn/userfiles/file/87023109605.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/27642758682.pdfIn PDF document text
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ddb6f62535---25356627873.pdfIn PDF document text
- https://harryfok.com/ckfinder/userfiles/files/74813655411.pdfIn PDF document text
- http://parkwaywest1974.com/clients/861606/File/40603974448.pdfIn PDF document text
- http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/jikoxibuzepaxodolupow.pdfIn PDF document text
- http://theleadershipworks.com/PO2/UPFILE/userfiles/files/14603649984.pdfIn PDF document text
- https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc41d07afe---lugane.pdfIn PDF document text
- https://www.charityweiss.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cf4a58d216a---39289155351.pdfIn PDF document text
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d5c9f4230c---7654253696.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=spatial+ability+practice+test+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_off0000f407.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF407 | 17856 bytes |
SHA-256: 59057afbc95b144d1d33ddbe2f06fd8c27fcdd8befaf86da7467787dc8dbde9b |
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font_01_sfnt_off000121fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013a14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A14 | 10720 bytes |
SHA-256: dfdfe9e8a202b4f8fbb91873833d9d06a8eeb42484246be985b433d906d572aa |
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