MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
The PDF file contains numerous embedded URLs pointing to various websites, many of which are hosted on compromised WordPress installations or disposable domains. This behavior is indicative of a link farm, likely used for SEO manipulation or to distribute further malicious content. The ML classifier also strongly flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9918
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://garglob.ru/uplcv?utm_term=how+to+conver+to+pdf PDF link annotation
- https://www.reparaciondebomba.com.ar/wp-content/plugins/super-forms/uploads/php/files/2t6prnnm9adopeep1ipjsp1en2/gogujalo.pdfIn PDF document text
- https://glowskincare.net/wp-content/plugins/super-forms/uploads/php/files/dc450a2d0f9fd74f3c903ff2e12a248f/85752467329.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075dde6e8269---boguwu.pdfIn PDF document text
- http://advicetao.eu/pictures/file/27343284421.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/3l4bqc85qeldkln6gslcovc6mj/35321445454.pdfIn PDF document text
- http://anhbanglaw.com/userfiles/file/kudanuzisodasafidadisezi.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/39vcbtlp9tgrn94ir67lfsbqo2/dujumewukamologenolapov.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0164adeb4---64042578797.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160b31111dc85c---64098627688.pdfIn PDF document text
- https://eghamatyab.com/basefile/bainbookcom/files/kenofiwozitite.pdfIn PDF document text
- https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/137961f0064b11f3c386f56ffafa0e3d/93841515253.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/n3tfgpn4ovm1a04gkfdpdg3e72/23584137606.pdfIn PDF document text
- http://www.hypnotiseur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160762f632eae9---zegipotikiledef.pdfIn PDF document text
- http://airconbank.com/upload/fckeditor/file/51272638919.pdfIn PDF document text
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d74c6e06244---pufubewatakitabi.pdfIn PDF document text
- https://cashmeredreams.com/wp-content/plugins/super-forms/uploads/php/files/464874843af2dcd8170ac4e8516eb672/xidejizedejelasafisulup.pdfIn PDF document text
- http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b2582e11d34---13686140291.pdfIn PDF document text
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160843e500d805---pumukijewuvonituxon.pdfIn PDF document text
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160930edc4a476---tufoxiwit.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/tiwirupogogubifiwivavige.pdfIn PDF document text
- http://dent-pro.cz/pic/file/28771806900.pdfIn PDF document text
- https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/9824271166d08b4a1ffdaa75eaa29b8c/fiwudojaxovolinalikuduj.pdfIn PDF document text
- https://silga.ca/userfiles/file/xupitodutadus.pdfIn PDF document text
- https://bushregenerators.biz/userfiles/files/fijutedufijirebe.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f1fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1FC | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010a0e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A0E | 19568 bytes |
SHA-256: 042f9b2f0ab392d5f23d082c79e53eac4c79295b01c4013ee923005a147c1715 |
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font_02_sfnt_off00013d67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D67 | 10288 bytes |
SHA-256: d4c661928256818d5e67bec05e4894ee41d89d90d7803e0078aa64e5656df250 |
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font_03_sfnt_off000154aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154AA | 16060 bytes |
SHA-256: 8bfc5e2f6383778b4716e60c732a7e5228106b692ca52c1f6b3c0b2892049825 |
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