MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to compromised WordPress upload directories or are hosted on disposable domains, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
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://olekiwaszkiewicz.pl/userfiles/file/3657783879.pdf In PDF document text
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba8d1263a7---85627026046.pdfIn PDF document text
- http://alrabbancapital.com/file/files/17793130756.pdfIn PDF document text
- http://sportsht.com/userfiles/file/silodoburozadufoko.pdfIn PDF document text
- https://www.modianodesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382988c5084---tisojonaxipebinor.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/1614191fddaa91---56137532189.pdfIn PDF document text
- http://www.ciesol.com/ckfinder/userfiles/files/55114989119.pdfIn PDF document text
- https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1613510829d4e2---zusumofijutikupakumejeje.pdfIn PDF document text
- http://wych123.com/upload/files/vunakida.pdfIn PDF document text
- https://khotelmarket.com/FileData/ckfinder/files/20210926_48986B12CCA351FB.pdfIn PDF document text
- http://abnig.friendship-match.com/upload/files/sizefagovononoka.pdfIn PDF document text
- https://ibericadearmerias.com/file/pijavoriximolisufedabum.pdfIn PDF document text
- http://stopguepes72.fr/userfiles/file/90307629713.pdfIn PDF document text
- https://aventura-agence.lu/userfiles/files/18493318724.pdfIn PDF document text
- http://gunjanjain.com/app/webroot/js/uploads/files/13548011103.pdfIn PDF document text
- http://bjsixiang.com/jingkelun/userfiles/files/20211002150606.pdfIn PDF document text
- https://mai-avto.ru/upload_files/file/gipada.pdfIn PDF document text
- http://ativn.com/upload/file/gefanalemiviximazunopamit.pdfIn PDF document text
- http://clinicaveterinariagussago.com/userfiles/files/lejuxug.pdfIn PDF document text
- http://alptw.com/images/files/47366247165.pdfIn PDF document text
- https://pinyardim.com/calisma2/files/uploads/fabovotewu.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+long+does+it+take+earth+to+rotate+on+its+axisPDF 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_off0000af72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF72 | 17988 bytes |
SHA-256: c3e3b20a307580f483e401071b00661448b3c0fc468ae463696ce5db454115a7 |
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font_01_sfnt_off0000dd2b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD2B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f542.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF542 | 10800 bytes |
SHA-256: 345c04cce456652460c99d386255b1c0136a0f4bddd260a3420822cfa537ece3 |
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