MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1059.007 JavaScript
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript which is likely responsible for redirecting the user to a series of URLs. These URLs are hosted on compromised CMS uploads and disposable domains, forming a link farm. This behavior is indicative of a phishing or malware distribution campaign, aiming to lure victims to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 7
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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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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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JavaScript action low PDF_JAVASCRIPTPDF contains a /JavaScript action. 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://baoyi-chuck.com/ckfinder/userfiles/files/doxajamibowu.pdf In PDF document text
- http://taispacedesign.com/upload/files/sibuviwisawijakole.pdfIn PDF document text
- http://obrienbuilders.com/userfiles/file/dapafumo.pdfIn PDF document text
- https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e265b6a4f0---16694450757.pdfIn PDF document text
- http://escqatar.com/uploads/userfiles/file/file/mixowofexiwebetifi.pdfIn PDF document text
- http://abwjefferson.com/uploads/files/4501283256.pdfIn PDF document text
- https://sellerflows.com/wp-content/plugins/super-forms/uploads/php/files/014717235718e237c7b9b0a9e31f3df9/kosamuwosareku.pdfIn PDF document text
- http://fundacjaproartis.pl/javascript/ckfinder/userfiles/files/jekosekijarab.pdfIn PDF document text
- https://portalbime.com/UploadedFiles/New/file/34200572060.pdfIn PDF document text
- https://proxus.nl/file/50656281586.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/jo61t72gqgk8i1pbgvvtvkv347/76284326668.pdfIn PDF document text
- http://misspacificus.com/clients/873634/File/bameverifoximefatubekedo.pdfIn PDF document text
- http://fresh-j.info/images/uploadedimages/file/nesisefub.pdfIn PDF document text
- https://prospr.fr/ckfinder/userfiles/files/55947242955.pdfIn PDF document text
- https://samsungdvmklima.com/upload/ckfinder/files/rukefunarinup.pdfIn PDF document text
- http://studioschicchi.eu/userfiles/files/34355249226.pdfIn PDF document text
- https://nmcs.ca/userfiles/files/52272805708.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160853bcb7c87b---pefalirepirokulibeni.pdfIn PDF document text
- http://altadirezione-consulting.it/userfiles/files/7772434694.pdfIn PDF document text
- http://sam-global.ch/files/file/zepub.pdfIn PDF document text
- https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/ulno4c020skn96sf77sf7l4bqr/xinipax.pdfIn PDF document text
- https://www.kcequipment.com.au/wp-content/plugins/super-forms/uploads/php/files/160a6df84d0e50971c6454dd779d5586/75263058548.pdfIn PDF document text
- http://petgears.com/app/webroot/files/file/52339749393.pdfIn PDF document text
- http://stardentalcare.org/userfiles/file/tosawaxenexisezisavotevim.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=math+in+english+worksheetsPDF 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_off0000dd8b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD8B | 10560 bytes |
SHA-256: 523145ddaac9ebd9add2dd8767acd02a0586133551be1f37fd5d04dc6a1649c9 |
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font_01_sfnt_off0000f5a7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5A7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010db9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10DB9 | 17816 bytes |
SHA-256: fd7e2b7fa2f1a80249070dcb6d8f414c2e716cdbcdefee29887d52e5411a1b8b |
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