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 pointing to compromised or disposable domains, indicating a link farm designed to lead users to malicious content. The ClamAV detection and ML classifier strongly suggest a phishing or malware distribution intent. The file's structure and numerous external links align with techniques used to distribute malicious payloads or conduct phishing campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://allytemp.ru/uplcv?utm_term=fastest+browser+for+android+2021 PDF link annotation
- http://itps-group.com/uploadfiles/file/wogaxeribefugep.pdfIn PDF document text
- https://ilexgold.com/app/webroot/files/userfiles/files/42177039763.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614472a0cb02a---89405647491.pdfIn PDF document text
- http://verzorgingsindex.nl/images/uploads/35421008734.pdfIn PDF document text
- https://renhedc.com/uploads/files/202109051555248968.pdfIn PDF document text
- http://hgbs.de/userfiles/file/senibibifowur.pdfIn PDF document text
- https://copab.tn/216mag.svn/uploads/files/92352371890.pdfIn PDF document text
- https://www.hs-hofgastein.salzburg.at/ckfinder/userfiles/files/65530416468.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210906090839.pdfIn PDF document text
- http://kryotherapie.net/neu/userfiles/file/2503338051.pdfIn PDF document text
- http://huonglonghotel.com/uploads/image/files/8722773898.pdfIn PDF document text
- https://kheops-so.fr/ckfinder/userfiles/files/63927354583.pdfIn PDF document text
- http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1614008bbadd45---savel.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145632cda150---12478618016.pdfIn PDF document text
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/161388928d7b19---dovevasipujumugozu.pdfIn PDF document text
- https://hensuyenpqa.traigiongthuha.com/ckfinder/userfiles/files/48317977528.pdfIn PDF document text
- https://biomisszio.hu/tmp/87309295436.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kovemifivosasejix.pdfIn PDF document text
- https://crownprolaw.cn/userfiles/Proj_Name/files/43166748087.pdfIn PDF document text
- https://www.cylinder96.ru/admin/ckfinder/userfiles/files/jogijibipatonutosatu.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1614234b1a893f---64818489925.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_off0000d551.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD551 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ed63.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED63 | 17468 bytes |
SHA-256: db9ffde05eb2d3202ab070a9af63d3b42e9a24acbf82c46edc08c83531475b90 |
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font_02_sfnt_off00011a36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A36 | 10800 bytes |
SHA-256: 70b5c49f245a267c72bbcb412bd33b1b096dcdceb0e3c375110ce180c8c70591 |
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