MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs pointing to compromised WordPress sites and other disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm structure, and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' confirms the use of compromised upload storage. The ML classifier also strongly flagged this PDF as malicious, suggesting it's part of a campaign to manipulate search engine results or distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://1hozain.ru/files/userfiles/files/bulekujalalegugubasikafev.pdf In PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b0f11292f30---84129413761.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16076577cb53f3---79113513781.pdfIn PDF document text
- https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606c965f633ab---42351749031.pdfIn PDF document text
- http://sistersaviopublicschool.com/userfiles/file/19417452226.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b88211c38bb---satuketevuvuduboxitejos.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/mq67l7msc90a0l6n9pokl1odgv/55219029499.pdfIn PDF document text
- http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/5d3ac1a9de8d9dbd17e874a1a46f9b93/kerekadegitewed.pdfIn PDF document text
- https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608596e575536---pemofujewawobetigu.pdfIn PDF document text
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/imv4n1pk40h5d92f7u4g1uve53/85814256304.pdfIn PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160af049546b4b---riperanatu.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/1606c6d93429d0---41324291163.pdfIn PDF document text
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160747988f0fb3---239627118.pdfIn PDF document text
- http://businessdevelopmentcenter.pl/uploads/userfiles/files/litejezakebumubesovu.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/6gqupjk0j6et3van43gvog43gk/32005083334.pdfIn PDF document text
- http://clinicaveterinariamontecchia.com/userfiles/files/nopowozavijomanatetob.pdfIn PDF document text
- https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/dd52cafbb769254aa7099ebfcd0acf4f/vuwigirag.pdfIn PDF document text
- https://perleyparish.org/wp-content/plugins/super-forms/uploads/php/files/b85704e7b83885241719d92276634d4a/suzubozix.pdfIn PDF document text
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611654509712f---5092627289.pdfIn PDF document text
- https://xo-sound.ru/userfiles/file/92990441589.pdfIn PDF document text
- https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/ch5bqbfhadnnp8bjmajftdtmv6/tafaje.pdfIn PDF document text
- https://pergamine.com/ckfinder/userfiles/files/bituragexuxivenepujijeti.pdfIn PDF document text
- https://cailux.lu/userfiles/files/xosidevazup.pdfIn PDF document text
- http://campbellelectronics.com/uploads/16261433671.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=k+and+nagelPDF 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_off0000e42a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE42A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC40 | 9836 bytes |
SHA-256: 371ccd10d65e9abc04e0816797141d7946fb0c93a37e75c75abf525c8d4dc784 |
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font_02_sfnt_off000111b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111B2 | 16324 bytes |
SHA-256: 4d7acab69e97266448b107c583c420dfc79ea4c54b80694e34dfcd75e35867dc |
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