MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised WordPress sites, indicating a link farm designed for malicious redirection. The ClamAV detection and ML classifier strongly suggest a phishing or trojan payload delivery. The presence of external URIs and link farm heuristics confirms the malicious intent of directing users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9987
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://infrive.ru/uplcv?utm_term=gta+london+apk PDF link annotation
- http://ipllaser.in/uploads/13983682256.pdfIn PDF document text
- http://sictombbi.fr/ckfinder/userfiles/files/tavosu.pdfIn PDF document text
- http://manilag.com/FileData/ckfinder/files/20210905_3690BE0E84C1182F.pdfIn PDF document text
- http://patrick-jardinage.fr/ckfinder/userfiles/files/ziripemawesu.pdfIn PDF document text
- https://www.mnogotrop.com/ckfinder/userfiles/files/gumoduxupanosefejuwi.pdfIn PDF document text
- http://zpb-maciejewski.pl/upload/fck/file/xomefaz.pdfIn PDF document text
- http://vibrobeton.by/pics/files/34204212018.pdfIn PDF document text
- https://lotte-ppta.net/beta/assets/file/jawig.pdfIn PDF document text
- http://orikon.net/Images_upload/files/22103120634.pdfIn PDF document text
- https://eastmanllc.com/ckfinder/userfiles/files/rimozatozetikugowejixenuz.pdfIn PDF document text
- http://alvitraders.com/files/4115391456.pdfIn PDF document text
- http://dongshengcable.com/images/upload/File/31696540492.pdfIn PDF document text
- https://senegal4d.com/contents/files/72925440793.pdfIn PDF document text
- https://hocaukhudothithanhphogiaoluu.com/asset/site/files/35582947029.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090510043073499.pdfIn PDF document text
- https://bolahijau.com/contents/files/befakabomujilowum.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/005f5cc8b3aacaa71caf37dc06d5112b/tajazejitamogowu.pdfIn PDF document text
- http://ibconsulting.it/userfiles/files/rowuzulebexavisofakot.pdfIn PDF document text
- https://cemb.ca/upload/editor/file/xububexu.pdfIn PDF document text
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/161470d3c99bd9---3534758840.pdfIn PDF document text
- http://partnercable.hu/files/pozewufukowof.pdfIn PDF document text
- http://alicekhenrylawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sugutolebogoba.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613f92d998d79---faxuxa.pdfIn PDF document text
- http://architettotamborra.eu/userfiles/files/wokazapako.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_off0000dd15.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD15 | 17692 bytes |
SHA-256: 3edca3a8952ffff114b39e649bfdebb0b4469f82e1215b8afc2bf24b80187c05 |
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font_01_sfnt_off00010bdb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BDB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000123f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x123F2 | 10024 bytes |
SHA-256: a98721a69f9267eaacbc4c778f15e7fb8f9a8789b4ea0c6f5c041a7029092491 |
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