MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/ff08cfe1eb0921b76165e87ed1b39522/nivosojedulawupez.pdf In PDF document text
- http://gtshotel.it/images/file/xigusozez.pdfIn PDF document text
- http://acpiindia.com/userfiles/file/vaziwafefiganixerexip.pdfIn PDF document text
- http://srihemkuntsahibfgp.org/hemkunt/userfiles/file/85486350148.pdfIn PDF document text
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a01e4aa0c7b---watiwosigupuzalagilim.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ff51f71bb6---44304834340.pdfIn PDF document text
- http://pileshoppen.dk/userfiles/file/rivarasa.pdfIn PDF document text
- http://cowmoo.org/ckfinder/userfiles/files/sazusugejo.pdfIn PDF document text
- http://szsahsh.com/uploads/files/95995397620.pdfIn PDF document text
- https://nanyangtextile.com/userfiles/file/52856474892.pdfIn PDF document text
- https://x-leather.com/radsportfiles/file/36128023963.pdfIn PDF document text
- https://aquafilling.com/userfiles/file/46145073978.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/5d4d9bfb7bcb4af47a2bc139a0e630b0/bodubiwaxisipoj.pdfIn PDF document text
- https://cevhertemizlik.com/userfiles/files/6404449638.pdfIn PDF document text
- https://nadamasristorante.it/file/97386546887.pdfIn PDF document text
- https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/af6e372f72b3d61a89eaee7f5b37b709/loxun.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160843f272b4ea---pijajelex.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610b7acba584d---84286623512.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160920b3bd30b3---42007962894.pdfIn PDF document text
- https://forex-robo.org/wp-content/plugins/super-forms/uploads/php/files/b397f5b37a49284e5955e89503a4ef42/tuxitijad.pdfIn PDF document text
- http://studiomanzella.com/userfiles/files/direwuwibezemese.pdfIn PDF document text
- http://thepokewave.com/uploads/files/64254629517.pdfIn PDF document text
- https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/1jrjo7li973ed6es0vbguaddt8/54144663675.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=beamng+drive+tech+demo+v3PDF 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_off0000e828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE828 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001003a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1003A | 17508 bytes |
SHA-256: 0251b0b97dc663fb73605a5d38345480122c99de4bc25427ee22ac9502e822f5 |
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font_02_sfnt_off00012dd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DD2 | 10892 bytes |
SHA-256: 65016eff2aeb8cd6cff20c6ec157f2cd4f5be8c6832d3ed5e11ad334c27e5460 |
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