MALICIOUS
180
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs pointing to compromised WordPress sites, suggesting it's designed to lure users into downloading a malicious payload. The heuristic firings indicate a link farm on disposable hosting and a fake invoice lure, reinforcing the phishing attempt. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
Heuristics 9
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160980138f41e5---takafojo.pdf In PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202105140248044803.pdfIn PDF document text
- http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16076bb4c352ac---98841718999.pdfIn PDF document text
- https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/93b9789630463778afac4c6dcbce52af/jaxunubigerosumalexowi.pdfIn PDF document text
- http://kentcliffordreunion.com/clients/a/aa/aa84b18e55fac3ff3c25336c5005d9e5/File/94117864467.pdfIn PDF document text
- https://aljazeerahpetroleum.ae/userfiles/files/36586975125.pdfIn PDF document text
- http://cjatkinson.com/userimages/vizesolokumezudatopika.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/b6aa4775ceefa2c8e5fbeab22867fb29/guwozikel.pdfIn PDF document text
- http://dungcumaymoc.com/Images_upload/files/fetisojamalasibedebegi.pdfIn PDF document text
- https://www.mii.net/wp-content/plugins/super-forms/uploads/php/files/5b8b64fd5ac582d51bbc17e0f388a34a/68683678408.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b863373b57b---figolag.pdfIn PDF document text
- http://paoladebenedetti.eu/userfiles/files/kusanidirezafudiz.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/gazepokuwovi.pdfIn PDF document text
- http://ewhamd.net/upFiles/ckeditor/files/51114045630.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0ae048c699---48584124608.pdfIn PDF document text
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607408ff94aaf---zifurawo.pdfIn PDF document text
- https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/9672ab736ed70113341eaa6eb4bcab57/bofuzopabes.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1608064d7a979d---76754384712.pdfIn PDF document text
- https://newchat.xyz/js/ckfinder/userfiles/files/jigenovaradijoderutat.pdfIn PDF document text
- http://whatdwellswithin.com/file/20724255181.pdfIn PDF document text
- http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df42a41f6f6---49639481419.pdfIn PDF document text
- https://luyenthitoeic.info/userfiles/file/39668149983.pdfIn PDF document text
- https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c0e2756f4---fabozaruful.pdfIn PDF document text
- https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a63b27955f8---torakerinodisujumurira.pdfIn PDF document text
- https://its-bulgaria.bg/files/file/lukawuzanade.pdfIn PDF document text
- http://fueandhair.com/userfiles/files/94657049680.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=science+practical+book+class+10PDF 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_off0000cbc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBC9 | 10848 bytes |
SHA-256: 203cc54b7376d5075bcf78fc19b7d39aad9a90d7c1bc606ea72b0c2a3f713087 |
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font_01_sfnt_off0000e4b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B8 | 16652 bytes |
SHA-256: 7bc8172403cb3f2b5e656cb7430930e850360947213df7304c5bc8a39608be59 |
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font_02_sfnt_off00010fea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FEA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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