MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised or disposable hosting. These links form a link farm, suggesting the document's purpose is to redirect users to malicious sites for phishing or malware downloads. The ClamAV detection and ML classifier strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://wastran.ru/uplcv?utm_term=cursive+writing+pdf PDF link annotation
- http://cutskytools.com/d/files/76704822997.pdfIn PDF document text
- http://banglatalkies.com/dynamic-images/cms/file/sinetutoduwuratuguxobuli.pdfIn PDF document text
- http://armanetti.com/images/64226947232.pdfIn PDF document text
- http://www.phsdcenter.com/temp/js/ckfinder/userfiles/files/tavanu.pdfIn PDF document text
- https://advancedcheckcashadvance.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609859cae8cfe---sevutodera.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/41137116c7948239e8d8fd66fd043270.pdfIn PDF document text
- https://funkydrop.shop/wp-content/plugins/super-forms/uploads/php/files/51b794a9546e332d28e9c40b89fa28e3/gagotaduregugigolimuvebu.pdfIn PDF document text
- http://ozona.pt/wysiwygfiles/file/vaxaluzekederodur.pdfIn PDF document text
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/1a2f43571fcd9b91cc7068b629bc6098/wasovutaleduki.pdfIn PDF document text
- http://vitali-schulz-eiskunstlaufen.de/userfiles/files/92026184305.pdfIn PDF document text
- http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/161152fa74ba32---dakoninejizovukufejex.pdfIn PDF document text
- http://ski-experience-japan.com/images/blog/file/13287653195.pdfIn PDF document text
- http://hotelrealerimini.it/userfiles/files/63976794331.pdfIn PDF document text
- http://njnccualumni.com/clients/0/05/05b55d2c4c342460da0dc2f503861b12/File/366225975.pdfIn PDF document text
- http://vivaibonomo.it/userfiles/files/63342501980.pdfIn PDF document text
- https://bouveau-consulting.com/userfiles/file/sidijemagelarifaxuju.pdfIn PDF document text
- http://fanta-life.com/userfiles/file/faxituzawojike.pdfIn PDF document text
- http://srilakshmienterprises.net/uploads/63935898744.pdfIn PDF document text
- http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5e1fa7bf3---60260415571.pdfIn PDF document text
- http://jhferry.com/data/fckeditor/file///76689089996.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_off0000d555.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD555 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed67.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED67 | 16640 bytes |
SHA-256: bb28236b3fb53709261a78103e2c15b87428fa94bd76387d634abefee354e1f3 |
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font_02_sfnt_off0001182e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1182E | 10628 bytes |
SHA-256: 6b8b9d75d6a369dfadeb9c16b9ddb5b8202a7bdd21b5deb4d9f4a12b865d50f0 |
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