MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of links, many of which point to compromised WordPress sites hosting PDF files. This structure is indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/1b0f53314ff0d4287fbb5d546d813aec/ronuwuvonitimutubo.pdf In PDF document text
- http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608443a826c42---7044351834.pdfIn PDF document text
- http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071aa0170b16---17988751477.pdfIn PDF document text
- http://thedewakohchang.com/image/upload/File/8607653502.pdfIn PDF document text
- https://store-connector.com/_upload_bilder/_filemanager/file/kusosowodoja.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/99001106626.pdfIn PDF document text
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a9404a9c4cd---dusabowo.pdfIn PDF document text
- https://rmp-familienanzeigen.de/cms/files/penizefakopile.pdfIn PDF document text
- https://network-italia.it/file/94231195268.pdfIn PDF document text
- http://drukarnia-warszawa.pl/pliki/file/modepugefelomugajunigax.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/9f076a71910294066a381d9886414735/91998598214.pdfIn PDF document text
- http://zulassungsdienst4you.de/bilder/file/lutigesilevebuxez.pdfIn PDF document text
- http://ahcxdq.com/uploads/file/172011391614.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160f576498ddf4---vogiliweji.pdfIn PDF document text
- http://orrizon.ru/images/file/45675073495.pdfIn PDF document text
- http://plenaadoracao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082fd78ce43d---wuwuw.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/5b271cfdd58c654810250a626cb323ed/tazoxumov.pdfIn PDF document text
- http://kdekdyjak.cz/data/58098970169.pdfIn PDF document text
- http://anhuicrew.com/upload_fck/file/2021-7-2/20210702082723867575.pdfIn PDF document text
- http://www.kickcommerce.com/userfiles/file/refivusemuzevalafadovipil.pdfIn PDF document text
- https://dudikom.pl/userfiles/file/9497463342.pdfIn PDF document text
- http://eaeocs.com/clients/c/c7/c75ed17bfa54634cfc1039f1b599a7e7/File/gexaraweteredega.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/e740e31f0ac3992f49da422c5a8ec70a/mujutogolopetobinafamijo.pdfIn PDF document text
- http://simonide.org/userfiles/file/84530671053.pdfIn PDF document text
- http://krasneclanky.cz/uploads/94198778020.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+many+horsepower+does+a+t190+bobcat+havePDF 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_off0000ed4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4A | 17260 bytes |
SHA-256: 6dba9348b12990398316f2a03a4c3451c401b88112979011b0606377fbe8b488 |
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font_01_sfnt_off00011a93.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A93 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000132aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132AA | 11380 bytes |
SHA-256: b86a576c87c730b22d6370ff741fedda460359bcd1850d2c5f252da4d9c7ab3f |
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