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 websites or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to malicious sites for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://archism.ru/uplcv?utm_term=postal+code+general+trias+cavite PDF link annotation
- http://medwin.kr/userData/board/file/57724000124.pdfIn PDF document text
- http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16135a32904cfe---55866057914.pdfIn PDF document text
- https://capitalsyndic.com/userfiles/file/94172706386.pdfIn PDF document text
- http://sallytour.com/FileData/ckfinder/files/20210909_A2C09C01EC5F6C96.pdfIn PDF document text
- https://gizaviation.com/uploads/files/dudunemuledakofan.pdfIn PDF document text
- http://ikuma-car.com/js/upload/files/vakudajitisedizaf.pdfIn PDF document text
- http://sabaispa.net/userfiles/file/wamoj.pdfIn PDF document text
- http://www.majbrno.cz/uploads/files/xigixegijubotavorip.pdfIn PDF document text
- http://paddockj.com/user_data/editor/ckfinder/core/connector/php/upload/files/87238918373.pdfIn PDF document text
- http://bippex.com/filespath/files/20210916195116.pdfIn PDF document text
- https://magnanerie-cazilhac.com/userfiles/file/1647143996.pdfIn PDF document text
- http://fratellilongoni.com/userfiles/files/23878319214.pdfIn PDF document text
- http://eggtesting.com/admin/uploads/file/jopiwikot.pdfIn PDF document text
- https://12waktu.com/contents/files/webegumukafe.pdfIn PDF document text
- https://delaneyllc.cfonewsletter.com/ckfinder/userfiles/files/mivobefogamarejono.pdfIn PDF document text
- https://cengilli.com/icerik_images/file/63407310752.pdfIn PDF document text
- https://mercedesmazo.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613a35fab418f---65223072756.pdfIn PDF document text
- https://dimensioninteractive.com/WYSIWYGImage/file/biviwopeguvasen.pdfIn PDF document text
- http://esipro.be/userfiles/file/pirejofeveresudur.pdfIn PDF document text
- http://donovaly-ubytovanie-safran.sk/web/userfiles/file/91444678968.pdfIn PDF document text
- http://caycanhtuyhien.com/uploads/image/files/84842395387.pdfIn PDF document text
- https://www.saltriot.com/wp-content/plugins/super-forms/uploads/php/files/b1054603222b543891fefbbb06c3faf4/nesejolevutazapekit.pdfIn PDF document text
- http://interroadholland.nl/userfiles/file/13798058601.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_off0001562c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1562C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00016e43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16E43 | 10612 bytes |
SHA-256: 2b932efdadcb1562d05e354d5185339555ff2bbc8003eaf98e0f1cfda48781e9 |
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font_02_sfnt_off0001867e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1867E | 21196 bytes |
SHA-256: 8ab6e3136f4bbbdffc17b16aeb7347f0f074f49b163ef879ac62087fcce6c32b |
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