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 0.9985
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://suapaiatuipelehakefamily.com/clients/80707/File/52666363061.pdf In PDF document text
- http://tunglamgarden.com/images/fck/file/17285558500.pdfIn PDF document text
- http://zulassungsservice4you.de/bilder/file/56985563231.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afb180cb879---16435953739.pdfIn PDF document text
- http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/b51bf7874a2fff6e7b2f4d4637af2bbe/78854431348.pdfIn PDF document text
- https://borderpak.com/wp-content/plugins/super-forms/uploads/php/files/e0aa7b9e45004f3fe5dbee0413f24e49/vederixugorag.pdfIn PDF document text
- http://copy2d.com/ftp/image/file/24180074178.pdfIn PDF document text
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/5b2219e25fda9d826ad14889d17ae306/93786248816.pdfIn PDF document text
- https://malashealthcare.com/userfiles/files/46388257028.pdfIn PDF document text
- https://psiakocky-potisk.cz/webpagebuilder/ckfinder/userfiles/files/tuwilezupoli.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/1f7abd4de3282eef31191248df630a05/rijubefimelopagu.pdfIn PDF document text
- http://dreamcatcherltd.com/userfiles/file/vogatujejazisanafiduromo.pdfIn PDF document text
- http://bulgankhangai.mn/userfiles/files/widepixexeparewazezu.pdfIn PDF document text
- http://keralabiblesociety.com/fck_uploads/file/desanopejusaf.pdfIn PDF document text
- http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ffdd84b686---21608421300.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/0357b3e53f8c5aab94e3a0b479366ce3/dudalevigefusutuse.pdfIn PDF document text
- https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/e613bb33c71fcd9ab93b5ad4333a9122/monozerazevejov.pdfIn PDF document text
- http://ingenermarket.ru/userfiles/kepegifufawusanus.pdfIn PDF document text
- http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/e29089995b82ca05159a8119a80460f6/3401521228.pdfIn PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/16104caa14cc6d---44014923819.pdfIn PDF document text
- http://michianaorchidsociety.org/clients/2/28/2832e32407c795c8d28ffe68102aa18e/File/50440495313.pdfIn PDF document text
- https://copperscraphandlers.com/ckfinder/userfiles/files/vojududagej.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=how+to+install+minecraft+vr+on+oculus+rift+sPDF 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_off0000f978.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF978 | 10740 bytes |
SHA-256: b52cfa6d58242dc62e814b27028d6a924bd967c4da31fb8152971df15e6adb8f |
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font_01_sfnt_off00011229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11229 | 17512 bytes |
SHA-256: a4aa3a4d85d18a5d001f1ac5da12d3fed4541a155762fa05c737ebb6ef5dcab9 |
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font_02_sfnt_off00014007.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14007 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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