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 0.9991
Heuristics 7
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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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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://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160721633869fa---fezevu.pdf In PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/mqq21egbbskarmm9k3b3ldht67/9884916706.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b41bc887368---tatuw.pdfIn PDF document text
- https://torrentclub.vip/wp-content/plugins/super-forms/uploads/php/files/tos6reus20dprjatdjdbupa4dp/53929760923.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/dfc932eb22cd893a4e96fbe298ce94b2/71569253554.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/18444015677.pdfIn PDF document text
- http://brmxn.com/userfiles/file/20210618005525_6idvxb.pdfIn PDF document text
- http://absolutelyneon.com/userfiles/file/48018987171.pdfIn PDF document text
- https://aartipalette.com/userfiles/file/dinamifulosutuxasifivebu.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a27affb9380---60480021512.pdfIn PDF document text
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160799ad7b16fa---gaxuzovufadugenonil.pdfIn PDF document text
- https://www.ppmcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/0srpeg4r2ta12lc0pb29anti5v/94751540023.pdfIn PDF document text
- http://rheumatology.instituteupload/content/file/27865896881.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701067cf7eb---boveke.pdfIn PDF document text
- http://capitaloffice.pl/fotki/file/24843779354.pdfIn PDF document text
- http://polskienarty.pl/data/aktualnosci_imgs/file/53472652164.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160844c054f7b4---mudoduda.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/7d2o17uflv8sdps5g5pjtht4a7/rumasaxaj.pdfIn PDF document text
- http://clarasonic.com/upload/file/dunetowosaganoreli.pdfIn PDF document text
- http://verynailscm.com/user_img/file/begujola.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=abcd+2005+tamil+full+movie+free+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_off0000ed63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED63 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010575.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10575 | 16980 bytes |
SHA-256: 3c74e6b4f14a8c0daa57fe133d55f3a903247d75b0491f2b98219b7cfd36082a |
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font_02_sfnt_off00013192.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13192 | 11220 bytes |
SHA-256: c32e2595d2cf6deb3403390b77f9ea79c05cd9441287d7da8ec1e819b325d8b5 |
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