MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for exploiting PDF vulnerabilities or delivering malicious content. The presence of multiple URLs pointing to compromised CMS upload directories and disposable hosting suggests a link farm designed to redirect users to malicious sites. ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/b188c447242680a1e1ca01e73f6024d4/dekapaxizudaresugulaxiriz.pdf In PDF document text
- https://novamakine.com/upload/ckfinder/files/sudiwareko.pdfIn PDF document text
- http://bioterapiazabiegi.pl/obrazy/file/fakevuritokudixamojoz.pdfIn PDF document text
- http://www.gieskestukadoors.nl/ckfinder/files/files/wezonatusujegusuxefonud.pdfIn PDF document text
- http://mayinmaunhat.com/upload/files/88905211447.pdfIn PDF document text
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/123a30101192d3fa67483c4952c95e97/befebaxevokovifuretoja.pdfIn PDF document text
- http://raiders71.com/clients/4/41/4134020f2f298c111575624a380fabfc/File/tezab.pdfIn PDF document text
- http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ce8cf86ebe---miketadokuvip.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce760a33a2---52171901243.pdfIn PDF document text
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e04d76466b---86053842534.pdfIn PDF document text
- https://sportcity.bg/webroot/img/content/files/44932271222.pdfIn PDF document text
- http://chulatutoracademy.com/chulatutor/ckfinder/userfiles/files/93448194890.pdfIn PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fc87cf0b1d0---84328177166.pdfIn PDF document text
- http://studiozammuner.eu/userfiles/files/77581741807.pdfIn PDF document text
- http://gonganmi.com/userfiles/file/15810246483.pdfIn PDF document text
- https://ofly.om-digitalsolutions.cn/upload/files/kuxoxe.pdfIn PDF document text
- http://hosungtour.net/FileData/ckfinder/files/20210805_1568BA8846C0A74D.pdfIn PDF document text
- http://prestopc.it/upload/file/mazisijetimovuxoponakexe.pdfIn PDF document text
- http://carshopm.com/js/upload/files/fuvole.pdfIn PDF document text
- https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083b66ae55d0---dewupusujis.pdfIn PDF document text
- https://madopin.com/calisma2/files/uploads/sezogo.pdfIn PDF document text
- http://adamlegal.com/userfiles/file/zotaveni.pdfIn PDF document text
- https://www.espymetcalf.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4a2cd818f7---jetazo.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d3a51509c26---xijusam.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=hegarty+on+creativity+pdf+downloadPDF 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_off0000c03f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC03F | 10884 bytes |
SHA-256: aebc34485372c6ef387b33d7fa20481678e0bfac0ece51593022bc7b7f2f1dd0 |
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font_01_sfnt_off0000d963.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD963 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f175.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF175 | 16404 bytes |
SHA-256: 1e2fa71c7235396b52971ed31f7bbf642338eed283723e64f0fe8d7924c17180 |
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