MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs that point to various websites, many of which appear to be compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a link farm structure, suggesting the document's primary purpose is to redirect users to external sites, likely for phishing or malware distribution. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 https://pametnidom.hr/pametne_kuce/userfiles/file/90927542909.pdf In PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/gp99qjfoosnv2o7qamkj9cdnlk/50142464447.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160875f5a6bac3---8345900080.pdfIn PDF document text
- http://jncs.kr/page_data/file/20210705224641.pdfIn PDF document text
- https://advance-pack.com/editor_upload/file/75146308031.pdfIn PDF document text
- http://luingpyrex.cz/foto/Image/file/tawidenexo.pdfIn PDF document text
- http://pantipplaza.com/userfiles/file/favaganubajixux.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/b783687937e4afce7d5b94bd288a85e3/71176139766.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a9cfec54a---visadovipabogoxinubomuwe.pdfIn PDF document text
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/ra05fpm2c1ga4n1amut72qtuoj/bonupufe.pdfIn PDF document text
- https://euroroma-bg.org/files/file/kagugaxuvof.pdfIn PDF document text
- http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/a2qh18kijmmo7d1aurj3nk266s/40004644088.pdfIn PDF document text
- http://somersetcountybar.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dujimexo.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d01369e4a4---pebawamigep.pdfIn PDF document text
- http://fotografoenricogiampieri.it/userfiles/files/regorazexewubukopowufud.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/5893971171.pdfIn PDF document text
- http://rosesrealtyhomes.com/userfiles/files/19097371167.pdfIn PDF document text
- http://lhdrum.com/User_File/UpFile/file/20210825104347_a3VmZXdlbmVqaWtpcmV3aXhpZHU=.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/c1ced1fab14fc96b6feb2085eb21472f/zodofibazujesoxe.pdfIn PDF document text
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/3189409fd2108fada552bcda9bcaa3b6/rigamutogupozumu.pdfIn PDF document text
- http://dichvubaove.online/upload/files/wurukaralegazabuje.pdfIn PDF document text
- http://mstreatmentadvances.com/userfiles/files/49288624403.pdfIn PDF document text
- http://k1a.ru/images/files/file/78051866552.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=difteri+pada+anak+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_off0000e17e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE17E | 10248 bytes |
SHA-256: 00f41dc562c9671619a186322cb773ed783bb1343554edf0ea77a8c9d73157d4 |
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font_01_sfnt_off0000f8a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8A1 | 16564 bytes |
SHA-256: 7f28aea6a2c52157006984b9c070b640278887896814a31c8f3d790d024f2cea |
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font_02_sfnt_off00012422.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12422 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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