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 0.9951
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 http://business-plan-capalpha.eu/mbp/upload/images/images/upload/ckfinder/85019726502.pdf In PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160e7931814025---46336264529.pdfIn PDF document text
- http://udemadriatic.com/userfiles/files/91935851969.pdfIn PDF document text
- http://ubest.ru/images/file/pevuxoxodamojij.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/damusisuvegogo.pdfIn PDF document text
- http://szkolaprywatnaleszno.pl/userfiles/file/papadiwone.pdfIn PDF document text
- https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/4f2b7ab8c1efa1711dcfd09fc1d3b635/26532861399.pdfIn PDF document text
- http://vasvaripalmuzeum.hu/upload/file/33041978034.pdfIn PDF document text
- http://bjsprt.com/uploadfile/file///2021062512274227.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a212d0c377a---denezisudolawobujoru.pdfIn PDF document text
- https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/64d862e90addf8acbcbc15c4eec482f0/42741357638.pdfIn PDF document text
- http://greece-ex.com/images/blog//file/64103526582.pdfIn PDF document text
- https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/a5913db5829d9b9a2eddc0ecf26c69f1/39453780335.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/4bf9j66o6u1pk2164asg6004rm/padusa.pdfIn PDF document text
- http://championsview.net/userimages/kitisuzogizu.pdfIn PDF document text
- http://robalton.es/Albums/images/file///50437152719.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/q5qau2flptd1hh7qmg5s5i6vm0/jibomarifubilumivogiraf.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f33728d305---motakorokezeruzevopo.pdfIn PDF document text
- https://fablab808.com/nbloom/fckuploads/file/jezijozo.pdfIn PDF document text
- https://www.treehousecare.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079893ca68a7---76730327920.pdfIn PDF document text
- https://hantverksakuten.se/ckfinder/userfiles/files/14845437303.pdfIn PDF document text
- https://orangcar.com/app/webroot/upload/files/92467145603.pdfIn PDF document text
- http://pngroup.pl/ckfinder/userfiles/files/18910400090.pdfIn PDF document text
- https://www.axelendinggroup.com/wp-content/plugins/super-forms/uploads/php/files/38e868659684fc2018546791b3c7cc4f/95244719591.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=omegle+chat+apk+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_off0000e8fd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8FD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010114.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10114 | 10804 bytes |
SHA-256: b6db16c3882b1f7a2d53f7c1d4aecbedd1b69d563c7b0c313506e0ff78c0628f |
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font_02_sfnt_off000119b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119B0 | 17504 bytes |
SHA-256: 53c44030174f2d50587ae4ae523465cc458431899cca2e37a3ea55865ab8d4d1 |
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