MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to malicious sites.
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://ketchas.ru/uplcv?utm_term=eat+breakfast+before+or+after+gym PDF link annotation
- http://creativeindustries.ru/uploads/userfiles/file/fesavugatarusaxunoguvo.pdfIn PDF document text
- https://ferest.ro/imagini_ws/wetituga.pdfIn PDF document text
- http://artpolinakuzina.ru/pict/file/66262435125.pdfIn PDF document text
- http://intersonik.eu/upload/files/girumefesakogixubiwaw.pdfIn PDF document text
- http://medica-brno.com/files/vazovusop.pdfIn PDF document text
- https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/33358876355.pdfIn PDF document text
- http://ahknchem.com/upload/files/72378052335.pdfIn PDF document text
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/161407367e2efb---61812639226.pdfIn PDF document text
- https://indiachristian.org/uploads/files/67344178969.pdfIn PDF document text
- http://grandp.ru/userfiles/file/jodadufarusuxijasu.pdfIn PDF document text
- https://mbzl-pro.xyz/web/img/podborky/files/jusojegegejuk.pdfIn PDF document text
- http://theartofdesign.nl/ckfinder/userfiles/files/40140734800.pdfIn PDF document text
- https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/161460dd3d89d5---94693315220.pdfIn PDF document text
- https://derfo.info/resimler/files/sowekafosesedipuwegofovef.pdfIn PDF document text
- https://gonguyenkhoi.vn/upload/files/23403236644.pdfIn PDF document text
- http://guowangcable.com/d/files/86545331594.pdfIn PDF document text
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16136fc624d19c---fuxafi.pdfIn PDF document text
- https://mytekas.com/UserFiles/file/xusilagubenoxexo.pdfIn PDF document text
- https://roshnaai.com/ckfinder/userfiles/files/59779062689.pdfIn PDF document text
- http://geometracosentino.com/userfiles/files/mapexefozolalosukezul.pdfIn PDF document text
- https://j26clean.com/upload/files/ratemoxuzaxef.pdfIn PDF document text
- https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16146bb717aa35---pogiteruxexepere.pdfIn PDF document text
- http://thenikharvconsultancy.com/userfiles/file/maxakilidujiden.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_off0000bb2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB2F | 16164 bytes |
SHA-256: 745655ed7e3eb2f6b7f3d27ab633dcc413d4b736c53f4ffb274a713c2306f9a0 |
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font_01_sfnt_off0000e460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE460 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fc77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC77 | 10644 bytes |
SHA-256: 992e11f420d42ba958430d8e4524261d86b548f03e098145b8cedb77238df89e |
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