MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, and it contains embedded JavaScript. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates the PDF is part of a link farm, suggesting its purpose is to redirect users to potentially malicious sites. The embedded JavaScript likely facilitates this redirection, serving as the primary mechanism for the attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9893
Heuristics 6
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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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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://songhongresort.com/img/files/xikaxo.pdf In PDF document text
- http://ambvetbrashersclavoghisu.eu/userfiles/files/difuvevozofixawobunagu.pdfIn PDF document text
- https://gogreenonline.net/userfiles/image/fckeditor/file/33440799969.pdfIn PDF document text
- http://master-sign.ru/ckfinder/userfiles/files/15111552713.pdfIn PDF document text
- http://np-laser.com/upload_fck/file/2021-9-19/20210919135740337719.pdfIn PDF document text
- http://goldenstarhotel.vn/images/uploads/files/33749503363.pdfIn PDF document text
- http://canavesiobruno-architetti.it/userfiles/files/44256623191.pdfIn PDF document text
- http://zdrowejaja.com/Upload/file/fafejuduzeri.pdfIn PDF document text
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144238e2feca---gatujizusilozuzixekixo.pdfIn PDF document text
- http://semihkerpiccilervesupersound.com/upload/file/73909329496.pdfIn PDF document text
- http://stellarp.com/userfiles/files/tiserosipu.pdfIn PDF document text
- http://www.parinet.fi/tiedostot/files/76871500082.pdfIn PDF document text
- http://old.arcnet.org.tw/ckfinder/userfiles/files/96199700562.pdfIn PDF document text
- https://mallncart.com/userfiles/files/85829184798.pdfIn PDF document text
- https://www.willmarareachamber.com/ckfinder/userfiles/files/beluxepebozolopuxoloderak.pdfIn PDF document text
- http://medianet2000.net/amm_prod/image_news_popup/file/89184069702.pdfIn PDF document text
- https://cmoretv.com/userfiles/silofixefivowal.pdfIn PDF document text
- http://abwbaltimore.com/uploads/files/bumigimijavelobemorojaja.pdfIn PDF document text
- https://indicaperu.com/userfiles/file/fijofajazazilorokarozonoz.pdfIn PDF document text
- https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/64653390470.pdfIn PDF document text
- https://mastirz.com/userfiles/files/vaxofezejafojobelosipe.pdfIn PDF document text
- https://loffoxfitness.mvwebsolution.com/userfiles/files/58773102609.pdfIn PDF document text
- https://www.travelknowhowscotland.co.uk/assets/js/ckfinder/userfiles/files/lufojebirorinilasuzakab.pdfIn PDF document text
- http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613e4139219a4---48834354687.pdfIn PDF document text
- https://cordovajewelry.com/images/file/kuvefovi.pdfIn PDF document text
- https://almudenafernandez.co/ckfinder/userfiles/Files/14376691809.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=screen+capture+app+androidPDF 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_off0000b5f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5F9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ce10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE10 | 10468 bytes |
SHA-256: f35a49b4385d1d7f471ab718633d0a0bff8275bc51f04d98cb29e168ed564f78 |
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font_02_sfnt_off0000e5ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5EA | 16308 bytes |
SHA-256: b2f94aa425187bef429bda284736d3af602ac7bf94aa98a8209f23bc13b3693c |
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