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 are hosted on compromised CMS upload directories or 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 delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://philabc.ru/uplcv?utm_term=meaning+of+subject+centered+curriculum PDF link annotation
- http://rqconsultores.com/userfiles/file/xenutovokumudulabika.pdfIn PDF document text
- http://noithatmyhome.com/img/files/gaxokazimesi.pdfIn PDF document text
- https://octvads.site/js/ckfinder/userfiles/files/gumafojukopila.pdfIn PDF document text
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/df34cc9443f8463c42f82959cf5e45ff/81059446248.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613acae1b35ec---86508658966.pdfIn PDF document text
- https://kubermatkaplay.com/ckfinder/userfiles/files/5342602788.pdfIn PDF document text
- https://grnca.org/img/files/files/sewoza.pdfIn PDF document text
- https://odlingfamily.com/userfiles/file/53609838646.pdfIn PDF document text
- http://fobosgrunt.ru/files/ckfinder/files/37327465768.pdfIn PDF document text
- http://ilyxrace.com/userfiles/files/29344953493.pdfIn PDF document text
- https://parlagame.net/calisma2/files/uploads/78959029271.pdfIn PDF document text
- http://heydarbaba.org/resimler/files/4330856828.pdfIn PDF document text
- http://amdind.com/userfiles/file/zufidolufirurudur.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/8e793520f7c5802c771b53e96ba2e85b/98140876748.pdfIn PDF document text
- http://praguynakorn.com/praguynakorn/picture/datapro/files/batuwoluraxulesupazirajim.pdfIn PDF document text
- http://dalboncostruzioni.it/userfiles/files/gerilifibigirif.pdfIn PDF document text
- https://eledigitalpr.it/allegati/file/wubisati.pdfIn PDF document text
- https://wittnebel.dk/file/90033957620.pdfIn PDF document text
- https://arvikabc.com/images/uploadedimages/file/bugejix.pdfIn PDF document text
- http://gs-metals.com/filespath/files/20210907200516.pdfIn PDF document text
- http://bsinteriordesigner.com/userfiles/files/46506886062.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f6be5ee31a---jamujamotaxovinezajomuriv.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_off0000ff5c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF5C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001176e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1176E | 17740 bytes |
SHA-256: eb1bb09cd639a9a92ec98406d00e02bd05dd94a636dbbe1ca694a9f260386c6d |
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font_02_sfnt_off000145a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x145A4 | 11184 bytes |
SHA-256: bedc458344a07cdf12884909a6f862bf695071ce955b89d9f8e376884504db0f |
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