MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains a link farm pointing to compromised WordPress upload directories, suggesting it is designed to lure users to malicious content or downloads. The presence of multiple external URIs and a link farm structure indicates a phishing or redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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 https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/b0b413042e793d8a522b123b607851fa/51571382496.pdf In PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa3b5960d53---50166069509.pdfIn PDF document text
- http://okna-stv.ru/userfiles/files/35561813972.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c86d900c477---fewiw.pdfIn PDF document text
- https://marljivo.hr/userfiles/file/59410037537.pdfIn PDF document text
- https://www.edmcenter.xyz/ckfinder/userfiles/files/kawezikekuvaxoz.pdfIn PDF document text
- https://ilc.ua/wp-content/plugins/super-forms/uploads/php/files/02qnod1av2me2j75qivic14l07/15846954846.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c17e73960c---sozeli.pdfIn PDF document text
- https://globalazeri.az/wp-content/plugins/super-forms/uploads/php/files/jdo0eo1glqnchdehiogsgnko53/91165358832.pdfIn PDF document text
- https://autosofortkauf.ch/wp-content/plugins/super-forms/uploads/php/files/ndt62724t6ja16fhadea2asror/41767959114.pdfIn PDF document text
- https://sitebyside.ru/wp-content/plugins/super-forms/uploads/php/files/9ab43b70271abeb63741bd86fcf7b588/puxixaw.pdfIn PDF document text
- https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/ee1e01dcb56442eec2e8de855138efd9/zepupewutenif.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607027650b4a4---2741458625.pdfIn PDF document text
- http://apcmagon.com/userfiles/guwofeboxavijexi.pdfIn PDF document text
- http://www.airportlimofortlauderdale.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609e170318c4f---zakul.pdfIn PDF document text
- http://extracam.es/app/webroot/arxius/file/25673749392.pdfIn PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/b6dc7c8b825b9524aad18bb126469b65/xurufogoxaxu.pdfIn PDF document text
- http://furkansigorta.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160872abb1e8cb---dobeluwasomezipole.pdfIn PDF document text
- https://bdaudit.ro/userfiles/file/tibidaripelig.pdfIn PDF document text
- http://staples1981.com/clients/b/ba/ba027a536d51c1d997ee76cae6dc9017/File/lamozusatojurixat.pdfIn PDF document text
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607807e9815f0---31073597964.pdfIn PDF document text
- http://100gastro.cz/soubory/files/31962410308.pdfIn PDF document text
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16074d89489187---18257714944.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/4a0123fff576090e4efc2734bd5b68fe/17833114417.pdfIn PDF document text
- https://stillwaiting.org/userfiles/file/luxapapurosiga.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=partes+de+una+impresora+laser+jet+1018PDF 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_off00010755.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10755 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00011f67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F67 | 19032 bytes |
SHA-256: 4d77d9e85081bec6e908c2a37d8ac4703ce849aa84972c41b50e04a04ea3a95f |
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font_02_sfnt_off000150ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150EC | 11168 bytes |
SHA-256: eaf44fbf2fb030c8970c8409b1f52f83b4dc5c891c1bd5179dce9a8e6726a6f6 |
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