MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links, many of which point to compromised WordPress upload directories or disposable hosting, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or delivering a secondary payload. No scripts were extracted, limiting the analysis of direct execution vectors.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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 http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/18980622584.pdf In PDF document text
- http://needychild.org/ckfinder/userfiles/files/lofiguxowitegowexi.pdfIn PDF document text
- http://oneself.pro/wp-content/plugins/formcraft/file-upload/server/content/files/160a82c2c1a475---92698667791.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b019f519d4---sajite.pdfIn PDF document text
- http://sieuthicayxanh.vn/webroot/img/files/37990927256.pdfIn PDF document text
- http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a11948dd4---69578797584.pdfIn PDF document text
- http://elskup.pl/images/assets/file/ruxota.pdfIn PDF document text
- http://oecschool.com/userfiles/file/33097083247.pdfIn PDF document text
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/fea7c149d23c596b6a76db6a4f7ecf58/69506300919.pdfIn PDF document text
- https://thanaclusterwestgate.leaddeehub.com/userfiles/files/xopozekuvemi.pdfIn PDF document text
- http://www.ochoadentalcare.com/tacgestorcontenidos_ochoa/documentos/file/In PDF document text
- http://www.johnrealestate.in/ckeditor-ckfinder-integration/uploads/files/tikefofipudarisupilekijis.pdfIn PDF document text
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a37dc88c60---89691550129.pdfIn PDF document text
- https://claudiodituri.it/uploads/linupa.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021081020264473499.pdfIn PDF document text
- https://mayphotocopydogia.com/upload/files/vufejolisovedo.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/ec228e84a3d92a79905b25517320e2d7/45210130619.pdfIn PDF document text
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/e599f7d703a47512a7c8dc8c2560bd73/59522112300.pdfIn PDF document text
- https://perfecthospitals.org/FCKeditor/file/54595075262.pdfIn PDF document text
- https://sportnazona.bg/f/uploads/files/sikibilizagoxufuk.pdfIn PDF document text
- http://big-blue-bus.com/pics/fotos/1/file/1426430549.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=types+of+memes+2020PDF 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_off0000cc1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC1A | 10236 bytes |
SHA-256: 4ae3c67d29b03d0017a3d66d4ec56f02d5df77cb54b20a714a1d993acc8ea02b |
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font_01_sfnt_off0000e331.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE331 | 17824 bytes |
SHA-256: 0a0bb30bb93d17da82bd045106a0e8c8cd96fcd47ddc69ed427c93435d8439d5 |
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font_02_sfnt_off000110c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110C1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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