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 0.9975
Heuristics 8
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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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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://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096fae0e2440---26973447030.pdf In PDF document text
- https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/0f39fc41cd0c3b025a1a49c26ad5e536/mopuwomividi.pdfIn PDF document text
- http://gentlemensquartersbarbershop.com/wp-content/plugins/super-forms/uploads/php/files/0277bc40a84af93cd691521b5d9766cf/pitimibaba.pdfIn PDF document text
- http://hemeringen.de/ckeditor_ablage/userfiles/files/liwiguxago.pdfIn PDF document text
- https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2faa37416---kelobosaperifekudibegar.pdfIn PDF document text
- http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd5d15536c---gekepuxuzaxesivepigo.pdfIn PDF document text
- http://kajsanordstrom.com/userfiles/files/womemu.pdfIn PDF document text
- http://ramayafaith.net/clients/64268/File/57201997642.pdfIn PDF document text
- http://loveperfectionschool.com/upload/file/65998456126.pdfIn PDF document text
- http://hkxhjfc.ltd/uploads/files/20210723134626.pdfIn PDF document text
- http://elonsummerstorage.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8722757c0a---tubopelukaviwurusulor.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1c28ed1e9---koloxil.pdfIn PDF document text
- http://boekenwinkelindex.nl/images/uploads/39464613295.pdfIn PDF document text
- http://dh-life.com/ckfinder/userfiles/files/figelaxovogazadogeso.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/5a5ffacdaf0bef043d5e9d6ba216d608/69280584631.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a09b082fa2b---13167724683.pdfIn PDF document text
- http://findmecakes.com/userfiles/files/85405331678.pdfIn PDF document text
- https://bahia-group.com/ckfinder/userfiles/files/rudixubovukidobulikavo.pdfIn PDF document text
- http://yuha.be/_files/file/xovupu.pdfIn PDF document text
- http://theprintfactoryvietnam.com/uploads/files/kerimezi.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/8ed93bbff35d92df7c98552f9294a2ea/fabevirenopave.pdfIn PDF document text
- https://netshopnepal.com/userfiles/file/12203535308.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/160930e7ec331d---96517780703.pdfIn PDF document text
- http://s-privod.ru/userfiles/file/29034859194.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=naruto+shippuden+ultimate+ninja+storm+5+file+downloadPDF 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_off0000d50e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD50E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED25 | 11188 bytes |
SHA-256: 4065e6f263268598ad39247085118a3fdd453ce2b33f8b742ec83570d705ab7e |
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font_02_sfnt_off00010731.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10731 | 17120 bytes |
SHA-256: df472112f76c132e52d50e6d7605272cfd5bce3e2961bcc3950d784f91c5f084 |
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