MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs point towards a malicious lure designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9943
Heuristics 6
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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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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://crewmak.ru/uplcv?utm_term=syllabus+of+computer+science+class+9+cbse+2020-21 PDF link annotation
- https://alshamiltrading.com/alshamilfiles/file/vurutaz.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8c1204a1de---welikelasulimedekawajab.pdfIn PDF document text
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085628217f11---bifufofuber.pdfIn PDF document text
- http://artecgroupservices.com/imagenes/file/79282816393.pdfIn PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/30962697401.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/264baa00f4b335a735c16d38691df410/65596119371.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac32b0e1795---favunofije.pdfIn PDF document text
- http://vtvxm.vn/userfiles/file/tigisudoduxuxo.pdfIn PDF document text
- https://roc.mn/uploads/files/jatejibibuvitobal.pdfIn PDF document text
- https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/54db7cfee68fb76fe6431ef0ef2f6dd5/wupakabe.pdfIn PDF document text
- https://local-atlas.ru/userfiles/files/tazow.pdfIn PDF document text
- https://limpjet.com.br/wp-content/plugins/super-forms/uploads/php/files/04729ec7da395a95ea92ccbbc62abcb0/lusedoz.pdfIn PDF document text
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/7uul722qh0bivqt08h2600pqr3/wibukasi.pdfIn PDF document text
- https://zahnersatz.pl/userfiles/files/55076553684.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/74jlu044o3a7ier2nv7iaom6rl/56506240102.pdfIn PDF document text
- http://nhuaduongnhapkhauaz.org/upload/files/20683512633.pdfIn PDF document text
- https://xn--interpeas-r6a.es/upload/files/jorixafukogorumod.pdfIn PDF document text
- http://kpdb.org/userfiles/files/37033093147.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16071ad5e58cf8---41477645386.pdfIn PDF document text
- http://youandisagenix.com/ckfinder/userfiles/files/buzekelononos.pdfIn PDF document text
- http://krzeptowski.pl/file/senis.pdfIn PDF document text
- http://www.armstrongre.com/files/files/vepizegoda.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609adc793bd02---kopatalupemokimif.pdfIn PDF document text
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/hiemd0lsm7fdpbt9p4ivnl6j37/55049804471.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/2ea8d0e7620158222448f180c5e60a18/64051435208.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_off0000c794.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC794 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dfab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFAB | 11568 bytes |
SHA-256: e2aab6c5668d8ef3f11c2f091257b71cad7f1ec1346ce551ca63cb052dc5818f |
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font_02_sfnt_off0000fb04.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB04 | 16352 bytes |
SHA-256: 542f79a27abb656bb42a502cc70d3f3791b732ac88ec03628fd8831df0a25750 |
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