MALICIOUS
156
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 or disposable hosting domains, indicating a link farm designed to redirect users. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this malicious intent. The ML classifier and ClamAV detection further confirm the malicious nature of the file, likely serving as a lure for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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://weymouthhighschoolclassof62.com/clients/5/50/50fe23896e84432c97ff20d680692bb9/File/siwolibirubabedubuzuk.pdf In PDF document text
- http://veterina-hrib.cz/user-uploads/files/vuvomelodatunosuloxegusof.pdfIn PDF document text
- https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/9dff082a3923c167d29d2a0dc758b852/kezelabetemajo.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160704539a6008---jodevafuzolimijugus.pdfIn PDF document text
- http://tieclangman.com/Images_upload/files/78773085697.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/db17dfcb7b37f93946922f99ad4e2051/54079047172.pdfIn PDF document text
- http://tubietelbar.hu/uploadfile/wopuwukikiwuralonaz.pdfIn PDF document text
- http://elturo.ru/img/upload/files/50826109310.pdfIn PDF document text
- https://doanhnghiepvietnam.org/img_duhoc/files/71896796375.pdfIn PDF document text
- https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/67086c204ce5535127068a986acd4057/66916250816.pdfIn PDF document text
- https://yssnewlessons.org/UserFilesTwo/file/29656105654.pdfIn PDF document text
- http://keacg.com/upload/files/29374127404.pdfIn PDF document text
- http://dyglas.com/userData/board/file/29455453588.pdfIn PDF document text
- https://leo-translate.com.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160803006c99ee---63502395383.pdfIn PDF document text
- https://theshamrockpublecco.it/file/45022256373.pdfIn PDF document text
- http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610db31f91493---likepurabobebipididuropu.pdfIn PDF document text
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bccb2737da1---mojene.pdfIn PDF document text
- https://www.bmo-agencement.fr/ckfinder/userfiles/files/69232631491.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/g34me04aego5132h3rbjifum8k/kopalisuf.pdfIn PDF document text
- https://garraldaarquitectura.com/garralda_userfiles/files/bagafulizopibepu.pdfIn PDF document text
- https://southtours.com/wp-content/plugins/super-forms/uploads/php/files/vd3o0oopp4rb0risihghdsi58n/sejiz.pdfIn PDF document text
- http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/161115e1d7fcb0---kuvudumu.pdfIn PDF document text
- http://cuatudongsaigon.net/uploads/files/zemibawigagixivakagolep.pdfIn PDF document text
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/b052d915636d4be9dfe9056efb0b9c6f/88224041424.pdfIn PDF document text
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/4c67bdb9539fb9ca01057994a3c17ea7/mariborigamidorixoxa.pdfIn PDF document text
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/fefiksgrtt5nqbgjlvqatg38u6/3642629562.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=envision+math+2.0+grade+4+answers+keyPDF 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_off0000fe6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE6C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011683.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11683 | 11376 bytes |
SHA-256: 1c2b802d6d8f314c9b0620539fc8c961b003b8ee9931d303a6a623cfdaad7ae5 |
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font_02_sfnt_off0001310f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1310F | 18996 bytes |
SHA-256: c70e2adc89e6a89eb21c16086c372e45768d870e153428a1efd7fbc80c7ef7ca |
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