MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier. It contains embedded JavaScript and a link farm with numerous external URIs, many hosted on disposable domains or compromised CMS upload storage. These links likely serve as lures or redirect to malicious content, indicating a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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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://vakantie-noordlimburg.nl/ckfinder/userfiles/files/89447646904.pdf In PDF document text
- https://hoalavender.net/upload/files/57513844792.pdfIn PDF document text
- https://cheeselicious.net/UserFiles/file/84955733452.pdfIn PDF document text
- http://nessium.net/userfiles/file/32877971459.pdfIn PDF document text
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/c632b6d2d728dc2b396694dace097674/joxixuzifa.pdfIn PDF document text
- http://www.morrisjones.co.uk/EditorImages/file/pikugowepopo.pdfIn PDF document text
- http://remobudostol.pl/pliki/lemizugodobuxujejopa.pdfIn PDF document text
- http://www.leads-bd.org/app/webroot/js/ckfinder/userfiles/files/jekutotonixutiwujid.pdfIn PDF document text
- http://nextlab-semi.com/files/fckeditor/file/86862610400.pdfIn PDF document text
- https://mtestbd.com/assets/uploads/files/34036954046.pdfIn PDF document text
- http://luisacortesearchitetto.it/userfiles/files/51042880293.pdfIn PDF document text
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/98a455e87d90683cb26eb7133e42ba32/51264366298.pdfIn PDF document text
- http://synerfreight.com/syner_upload/images/files/4918453731.pdfIn PDF document text
- https://k31szmq42-nu28.com/contents/files/60805337646.pdfIn PDF document text
- http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xobiwegonibogimobaxonuso.pdfIn PDF document text
- https://hoangnhataudio.vn/media/files/30667052248.pdfIn PDF document text
- https://soechi.id/userfiles/file/rewigukadaxexus.pdfIn PDF document text
- http://homelife-superstars.com/image/files/vikomisid.pdfIn PDF document text
- http://15449010.com/FileData/ckfinder/files/20210909_053C353FA1685ADB.pdfIn PDF document text
- http://ilkyoukais.com/Images/Media/files/junasetuworig.pdfIn PDF document text
- http://sweethomedelivery.com/ckeditor/ckfinder/core/connector/php/uploads/files/sutixowudezawi.pdfIn PDF document text
- https://deesudcoolingtower.com/userfiles/file/48601325939.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f7bf207f6---85358254574.pdfIn PDF document text
- https://eijo.in/ckfinder/userfiles/files/nibokenu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=iptv+apk+download+2021PDF 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_off0000be11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d623.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD623 | 17292 bytes |
SHA-256: ca31e623c58fcf214e3cb8320afc88dc91a19eacbfa46c0a9e0ff11bba91a545 |
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font_02_sfnt_off00010298.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10298 | 10384 bytes |
SHA-256: 83598eb37913453af9d0e1e4a1be2b4d474feffadc499fd1c66bd5dd5e8f29e0 |
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