MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains a link farm designed to redirect users to various external websites. Several heuristics indicate that these links point to compromised CMS uploads and disposable hosting, suggesting a malicious intent to distribute harmful content. The ML classifier and ClamAV detection strongly support its classification as malicious, likely a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://archism.ru/uplcv?utm_term=ford+naa+parts+manual+pdf PDF link annotation
- https://iword.de/userfiles/file/91995579262.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd38b446d90---35100948700.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160baccca01fdc---80647344236.pdfIn PDF document text
- https://www.syria-report.com/sites/all/libraries/ckfinder/userfiles/files/robulabapitebojezug.pdfIn PDF document text
- http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093ca8616726---sedufetarijinotisema.pdfIn PDF document text
- http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608167336d2db---ganukejaxejeju.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/a937m3em8f6koruimrt3nmaqk5/74718350458.pdfIn PDF document text
- http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f844c7aadc---86919599348.pdfIn PDF document text
- http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ba9123c5424---14393449875.pdfIn PDF document text
- https://stillwaiting.org/userfiles/file/nekupolarulokizokimijebib.pdfIn PDF document text
- https://rebates.forex/wp-content/plugins/super-forms/uploads/php/files/3sefu5qsmfkkdptvpu2gbruq37/52849566029.pdfIn PDF document text
- http://4grd.com/cmsimages/file/zinupekebisuda.pdfIn PDF document text
- https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/tumegugivilaweduzi.pdfIn PDF document text
- http://dongzzang.com/userfiles/file///14304825057.pdfIn PDF document text
- http://kxqcgs.net/filespath/files/20210825105828.pdfIn PDF document text
- http://mrybalko.ru/files/telewuzozige.pdfIn PDF document text
- https://onlinendttraining.net/files/vukisovaruteriwinotot.pdfIn PDF document text
- http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/nurovuzogelodifiw.pdfIn PDF document text
- http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080309f45384---29005579978.pdfIn PDF document text
- https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/48586856c13bfe6cd8cab62493ce75a7/37882017182.pdfIn PDF document text
- https://chongtham68.com/app/webroot/uploads/files/82082820331.pdfIn PDF document text
- https://www.c2commercial.com/wp-content/plugins/super-forms/uploads/php/files/b05b8ed6f8302a0e2985c6f6f5b7c0e9/nowigafixelekuw.pdfIn PDF document text
- http://phenix-security.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160934e2976de1---80378320025.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1607018ceb9e14---zobezajotifokivedowafixez.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_off0000b27d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB27D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ca94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA94 | 10512 bytes |
SHA-256: f01d44fd785e6c809901b227d91343c8cda2c0878e6ab192d804025f18955a0f |
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font_02_sfnt_off0000e270.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE270 | 15992 bytes |
SHA-256: c9771d409993c2db8701ba0490b6155b7ad4f2cea43b9fa4358cbeab01127a7a |
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