MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a link farm pointing to compromised WordPress upload storage. The embedded JavaScript likely facilitates the delivery of a phishing payload by redirecting the user to malicious URLs hosted on compromised websites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
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 http://evergreendentistryva.com/app/webroot/js/ckfinder/userfiles/files/70299342136.pdf In PDF document text
- https://www.xtremefitness.com.au/application/third_party/ckfinder/userfiles/files/tepomefinarilafaji.pdfIn PDF document text
- https://abhimaninteriors.com/ckfinder/userfiles/files/xizufikigakoguxogitaduvo.pdfIn PDF document text
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd27407577---mivenitedodu.pdfIn PDF document text
- http://hebertfamilyreunion.com/clients/3/32/3272330ca4c68e8b1120eb7f178c7a05/File/tiwumigabixogozugiw.pdfIn PDF document text
- http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a060af030b5---zobajujapikig.pdfIn PDF document text
- http://networkinglikepro.com/ckfinder/userfiles/files/regomagejem.pdfIn PDF document text
- https://mingyi-lock.com/data/file/userfiles/files/66803116573.pdfIn PDF document text
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6bd581d05---88190541876.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608389b3e5b9f---bifenivogewogixog.pdfIn PDF document text
- https://www.justgym.co.za/wp-content/plugins/super-forms/uploads/php/files/u9trp11c91tbaao1sm5ja7oasn/sozarerotamovimotekog.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606ebcc5991d6---vigapufuwigubife.pdfIn PDF document text
- https://jackyrouxmethode.com/userfiles/file/70581232058.pdfIn PDF document text
- https://rabudiagnostic.com/userfiles/files/6698798937.pdfIn PDF document text
- http://foxdigi.com/userfiles/file/38196461486.pdfIn PDF document text
- http://judyzscotties.com/clients/1/1f/1f1ef5c9f72ce0e5bea5babf356718c6/File/82625769876.pdfIn PDF document text
- https://5uempat.com/contents//files/91973496181.pdfIn PDF document text
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c9b9dc74003---46252638273.pdfIn PDF document text
- http://trendstyleimage.com/uploads/ckfinder/userfiles/files/rinoka.pdfIn PDF document text
- https://lightspec.ca/wp-content/plugins/super-forms/uploads/php/files/67111b8389b391daf3b7c60981f3153e/56773876092.pdfIn PDF document text
- http://tsmsaldature.it/userfiles/files/fawotugimujemitaz.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610095550d533---fiponexemus.pdfIn PDF document text
- http://kythuatviet.vn/uploads/userfiles/file/80021344076.pdfIn PDF document text
- http://www.zulfugar.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a7d8b82001a---muwawunavavafazu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=managerial+courage+pdfPDF 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_off00012333.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12333 | 10624 bytes |
SHA-256: 8a789cf44ba00d53cbb01cfe13183a18bbefdf0680363c36940d88b98e4a48b3 |
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font_01_sfnt_off00013b52.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B52 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015364.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15364 | 19732 bytes |
SHA-256: 7a7844dc83697334f2e6d84b0b5ef117cd3883ecce275477a8087739e80ff67c |
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