MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1071.001 Web Protocols
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses a security-bypass lure. 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 0.9970
Heuristics 8
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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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Security software disable instruction high SE_SECURITY_BYPASSDocument instructs the user to disable antivirus or security software — unusual for ordinary documents and high-risk in an unsolicited file
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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://talleresjpg.es/img/file/69933036659.pdf In PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160762d2814fc4---kadepaluwebadafujavevoka.pdfIn PDF document text
- https://amalighting.com/wp-content/plugins/super-forms/uploads/php/files/aba17467a3456291521f6890228930be/9254809646.pdfIn PDF document text
- http://dianacb.cz/userfiles/file/76231109944.pdfIn PDF document text
- http://abacusnancy.com/userfiles/file/72808388268.pdfIn PDF document text
- https://producedepot.us/userfiles/files/97613884779.pdfIn PDF document text
- http://nextgt.eu/uploads/file/81692607695.pdfIn PDF document text
- http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b897d694d---wuxok.pdfIn PDF document text
- http://xz-brand.com/ckfinder/userfiles/files/43716536733.pdfIn PDF document text
- https://agrilaui.com/userfiles/file/bonogavafatodo.pdfIn PDF document text
- https://mut-zur-veraenderung-hambuch.de/userfiles/file/fowixuredogobumajexoxof.pdfIn PDF document text
- http://cnhhgj.com/upfiles/userfiles/file/6969214495.pdfIn PDF document text
- https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/r2h1c0s31c0kd6blemhi9ppi9v/gaxilafumelesijako.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c91e48518---ninez.pdfIn PDF document text
- https://perfecthospital.net/ckfinder/userfiles/files/karubemuvodipizuviruf.pdfIn PDF document text
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/lqs90ruf43o08a98a1t6b3mfah/metotafik.pdfIn PDF document text
- http://hy-concrete.ru/d/files/filafalajisusasijow.pdfIn PDF document text
- https://www.chartsunlimited.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160d3cdff2ead2---36817411473.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095f0f880f56---minefanatilolozita.pdfIn PDF document text
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16091324fc6275---90195533171.pdfIn PDF document text
- http://mottaing.eu/userfiles/files/64567201924.pdfIn PDF document text
- http://g-shocktou.com/user_file/file/teguzibafoligupufomos.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085d580555da---2488699084.pdfIn PDF document text
- http://alibabashipping.com/userfiles/file/96013103867.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=lingon+pc+trainer+far+cry+primalPDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001138c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1138C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00012b9d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B9D | 16092 bytes |
SHA-256: 9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
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font_02_sfnt_off000140e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x140E3 | 10724 bytes |
SHA-256: 39dd206168d410a929f884c25ec32e11d403ab639d9a4637ee494d3f4e65f36f |
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font_03_sfnt_off00015984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15984 | 20268 bytes |
SHA-256: b6fb25590edd697e45f286e199d7587c8e9724117a45efcb70fcffa6f3470319 |
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