MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, and it contains embedded JavaScript. Multiple heuristics indicate the PDF acts as a link farm, directing users to external sites, some hosted on compromised WordPress uploads. This pattern is consistent with phishing or malware distribution, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 8
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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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://booking-news.hkdnracing.com/webroot/editor-uploads/files/59809746972.pdf In PDF document text
- http://househouse.it/userfiles/files/51419386783.pdfIn PDF document text
- https://remoteyourstaff.com/calisma2/files/uploads/bakolixawutewadodivibofi.pdfIn PDF document text
- http://ipsaix.com/ckeditor/ckfinder/userfiles/files/meludokejafaxebifuvov.pdfIn PDF document text
- https://robustbrakes.com/administrator/imagetemp/file/19350015351.pdfIn PDF document text
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/2uvjrj1hr1eefpfno5edlglh5u/litixiwafalujowaniwikaboj.pdfIn PDF document text
- https://alsharqcc.com/userfiles/files/61582242452.pdfIn PDF document text
- http://linza-market.ru/upload/files/kawawazetonojof.pdfIn PDF document text
- https://12shio2.com/contents/files/pevuzixawosigifigi.pdfIn PDF document text
- http://posicert.com/upload_fck/file/2021-9-1/20210901060430213308.pdfIn PDF document text
- https://ever-progress.dacola.com/upload/files/82629692685.pdfIn PDF document text
- http://savalis.ru/userfiles/file/mebuviwep.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/k1l946i37hp9fkjnu0fdb7i0um/64843852572.pdfIn PDF document text
- http://140.121.180.103/ckfinder/userfiles/files/88904460782.pdfPDF link annotation
- http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/wibibirexokube.pdfIn PDF document text
- https://angelsforwarriors.org/userfiles/files/50446115288.pdfIn PDF document text
- http://albarossa.jp/js/upload/files/24091966412.pdfIn PDF document text
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/39744b5eb3e5b7183c89c80a5e2b9c79/24755010227.pdfIn PDF document text
- http://vimbark.sk/editor_uploads/files/62003328561.pdfIn PDF document text
- https://consultemergingmarkets.cubsindia.com/files/41598994958.pdfIn PDF document text
- http://kapelski.pl/userfiles/file/10435273309.pdfIn PDF document text
- http://edbiji.com/uploads/files/20210917232106_842583.pdfIn PDF document text
- http://hijoin.hu/editor_up/30310016562.pdfIn PDF document text
- http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbca48068a---lemavaso.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=what+is+toast+class+in+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_off0000f15b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15B | 18332 bytes |
SHA-256: d92026b237feb42e1f7cc8fe70d8ca2d19287c983ae936cbb76d0f871602bcf8 |
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font_01_sfnt_off000121a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121A6 | 10328 bytes |
SHA-256: 62e83668592c6e634a8cb06b5b6127558f2d4ed213469bee0bc8dc03a8d5c846 |
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font_02_sfnt_off000138e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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