MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many pointing to compromised WordPress sites or disposable hosting, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to redirect the user to a malicious site for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9913
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://smidgel.ru/uplcv?utm_term=ejercicios+de+analog%C3%ADas+resueltos+pdf PDF link annotation
- https://burkina-businessschool.com/business_school/uploads/file/79863794887.pdfIn PDF document text
- https://dalilak1.com/userfiles/file/betozapajugogidoxekup.pdfIn PDF document text
- http://coss-wynn-reunion.com/clients/d/db/dbe3622004495b304d8703879a486b7d/File/firipate.pdfIn PDF document text
- https://palcev.ru/userfiles/file/kazugosuvikidusawopesuda.pdfIn PDF document text
- http://sskj.pl/userfiles/file/sinaxupugekefonixupinaze.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160930c3ad4b52---juvejosebiwezafebapap.pdfIn PDF document text
- https://esportenerd.com/app/webroot/ckfinder/userfiles/files/jedejodavojes.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/11611873596879745d36a32e1fe2ccdb/32612023231.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/5c116dcdd5795e42a3861f7e01a05a01/gidesek.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16088ffd9e9b4c---mavitulubejomuw.pdfIn PDF document text
- https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/042be236734c76b1fda31b5510fef143/zamujezutukatozadabi.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b3581fb998e---78627315851.pdfIn PDF document text
- http://toptoptraining.ru/img/upload/file/kitura.pdfIn PDF document text
- http://ilkyoukais.com/Images/Media/files/fiteludizaloboduvivir.pdfIn PDF document text
- https://bisnismedsos.com/userfiles/file/rewanodebuzus.pdfIn PDF document text
- http://akiyastyle.com/app/webroot/js/ckfinder/userfiles/files/batusobimu.pdfIn PDF document text
- http://mu-rrrc.com/userfiles/file/tozuxomoruzufijad.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/eb1ecfbbn449pgt62emf4fgk3c/89083502013.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/b57be94cab60354d468e5e2acbdd6935/42590241157.pdfIn PDF document text
- https://menlopark.com/wysiwygfiles/file/60672570048.pdfIn PDF document text
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611c6b6b0677c---4223527935.pdfIn PDF document text
- http://www.vandiestbrandstoffen.be/uploads/files/zujonopel.pdfIn PDF document text
- http://unnatiwelfareorganization.com/ckfinder/userfiles/files/mivupaz.pdfIn PDF document text
- https://hitpoint.tw/userfiles/file/feribapir.pdfIn PDF document text
- 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_off0001b6f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1B6F1 | 21904 bytes |
SHA-256: cb77f06b9f87f87734459af8ec65dceae81129e194e5c1aabd893907f07762a5 |
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font_01_sfnt_off0001edd8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1EDD8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000205ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x205EF | 11072 bytes |
SHA-256: c52e3b79d1fc7f3065f673fe71ee18f9a5ab6d9410090b5f699d2acba7923ea8 |
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