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 0.9998
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 https://coretry.ru/uplcv?utm_term=tamil+bluray+movies+download+in+tamilrockers PDF link annotation
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/31275376227768d271c94383bd0c31fa/77869552692.pdfIn PDF document text
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/0jgsrk63g27lhfbstad972nk3r/16878210955.pdfIn PDF document text
- https://www.havanasalsa-dance-tours.com/wp-content/plugins/super-forms/uploads/php/files/c60c0eab707ab354fd0edc53273feaba/6339990236.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/femavegezufomijij.pdfIn PDF document text
- http://zonweringbelgie.nl/ckfinder/userfiles/files/nagosozisevuxatovusebu.pdfIn PDF document text
- https://almondzwealth.com/administrator/imagetemp/file/72590187096.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608b0a3897bfa---sapikido.pdfIn PDF document text
- https://carparts-fixture.com/file/file/joruvaguxikusofedexin.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608bae2e6423b---deboranipufoputiduxaluj.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16088dd605c447---gojebonagisexowuxuwaka.pdfIn PDF document text
- https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/h193ct39bvm1v8gfbn1lcf2332/wikeku.pdfIn PDF document text
- https://ayurvedaemart.com/uploads/file/25542215924.pdfIn PDF document text
- https://bienenaktuell.com/sites/bienenaktuell.com/files/file/37974654109.pdfIn PDF document text
- https://starwebline.com/calisma2/files/uploads/wajokexew.pdfIn PDF document text
- https://majorsagilekvaros.hu/uploads/file/45364156449.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/b7d813f1811b0af8cdbc9ac531f57ece/nafovebasokojiwu.pdfIn PDF document text
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/j349kh5hoohfqoi4hgsein3hp1/73271601339.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF122 | 5492 bytes |
SHA-256: e38cbbd87cace1ab80c3f79ad8daa91e86d653308653ef83592a5004381a8a01 |
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font_01_sfnt_off000103d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D6 | 10564 bytes |
SHA-256: 8ee4734758d9cd5c06440d84bf7f3e6ef9f235e2a8010ea7c66837aaefceb7c5 |
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