MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file containing embedded JavaScript, which is often used to exploit vulnerabilities or redirect users to malicious sites. Heuristics indicate it is part of a link farm pointing to compromised WordPress uploads and disposable hosting, suggesting an attempt to distribute further malicious content. The presence of a download button lure further supports a phishing or social engineering attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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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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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://mega.kz/media/upload/files/venepozega.pdf In PDF document text
- http://rafaelstore.ru/upload/files/duguveboxovuruduto.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/48696845510.pdfIn PDF document text
- http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139303666091---1817066200.pdfIn PDF document text
- http://geodavidepini.it/userfiles/files/75829625211.pdfIn PDF document text
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135e45e68b7f---28345424976.pdfIn PDF document text
- https://rougezenekar.hu/files/file/bonobariretiwe.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/samol.pdfIn PDF document text
- http://prodottoitalia.eu/userfiles/files/4366036113.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/a78b92aef570ba6cda3b5432c45abc1a/3004976748.pdfIn PDF document text
- https://pu-sk.com/app/templates/js/ckfinder/userfiles/files/35080482628.pdfIn PDF document text
- http://www.sintsprev-ms.org.br/ckfinder/userfiles/files/31837303870.pdfIn PDF document text
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613633a858964---41285795176.pdfIn PDF document text
- https://sv-fin.ru/wp-content/plugins/super-forms/uploads/php/files/2cfd173b213a6de45b9cd21988dd3c28/lisonidov.pdfIn PDF document text
- https://toptenstudy.com/upload/files/BodyFile__6130AFE4A0556.pdfIn PDF document text
- http://www2.grupoksl.com.br/js/ckfinder/userfiles/files/pakobifenojeku.pdfIn PDF document text
- http://swhos.com/upload/files/81288978195.pdfIn PDF document text
- https://frutalmente.pt/site/upload/file/4902838700.pdfIn PDF document text
- https://shop-ecobati.com/medias/upload/files/18144137368.pdfIn PDF document text
- https://endobible.com/userfiles/file/ponosil.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613544a3450f0---xoxedekigisote.pdfIn PDF document text
- https://simon-daulte.com/ckfinder/userfiles/files/nijifajupapile.pdfIn PDF document text
- https://birgatour.mn/js/ckfinder/userfiles/files/pokidovufarimonigofakobiv.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/zuresupagodugegesoziribiz.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=hunger+games+book+1+pdf+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_off0000e615.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE615 | 11112 bytes |
SHA-256: b025293077a7deaecd3d0b7082b233a71d2915171e9a34a073b8b9a8efaeb8dd |
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font_01_sfnt_off0000ffa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFA3 | 19780 bytes |
SHA-256: e257fa3b654d77716af6ce2ef59e83798e60ee31d3cab6a3107d63708e1dc870 |
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font_02_sfnt_off0001339e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1339E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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