MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to various domains, many of which are hosted on compromised or disposable infrastructure. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a deliberate attempt to create a link farm. The ClamAV detection and ML classifier strongly suggest malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://coretry.ru/uplcv?utm_term=show+wifi+password+on+phone PDF link annotation
- http://argyleliquidations.com/userfiles/files/pimelipixuzo.pdfIn PDF document text
- https://produktybhp.pl/pliki_user/File/rikapi.pdfIn PDF document text
- https://huuphongplastic.vn/uploads/images/files/2320220356.pdfIn PDF document text
- https://ceiling.holcom.vn/webroot/img/files/vepiluwemurajana.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16139ef527b62b---jedugakeno.pdfIn PDF document text
- http://worldprint.su/userfiles/file/runewu.pdfIn PDF document text
- https://elsadaulte.com/ckfinder/userfiles/files/34672737414.pdfIn PDF document text
- http://baobianhkhang.com/upload/files/83906692958.pdfIn PDF document text
- http://boxerdapolenta.com/cmsimple/images/file/segutafilomabexidemafem.pdfIn PDF document text
- http://vimbark.sk/editor_uploads/files/xiwilaxumudidu.pdfIn PDF document text
- https://kompaspt2.com/contents/files/bivepuzatapode.pdfIn PDF document text
- https://estudiowebcolombia.com/ckfinder/userfiles/files/logimadilakaga.pdfIn PDF document text
- http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16135221f2c537---55208368880.pdfIn PDF document text
- http://silver.jo/ckfinder/blanc/files/gokogepe.pdfIn PDF document text
- http://hsound.ro/images/custom/file/wikoto.pdfIn PDF document text
- http://solarissoft.com/img/userfiles/files/95412285170.pdfIn PDF document text
- http://vinacafe-dalat.com/Images_upload/files/38458091601.pdfIn PDF document text
- https://demo-calson.garment-pro.com/ckfinder/userfiles/files/92715786361.pdfIn PDF document text
- https://senarathgroup.lk/assets/media/file/vafuk.pdfIn PDF document text
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613d1bb786e64---wukobanuforumavesovi.pdfIn PDF document text
- https://telechips.com/ckfinder/userfiles/files/98626824975.pdfIn PDF document text
- http://rjbmachinery.com/d/files/91048192268.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_off0000e227.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE227 | 10612 bytes |
SHA-256: 9007d9a19b912f7689c9454abea93c82947ab3bb6553d3ad3195c5c8f82790e8 |
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font_01_sfnt_off0000fa65.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA65 | 18020 bytes |
SHA-256: 906aeee7c1057bc9e1d60d8ba47a95bf6773ae20c9607ee854673b47ce0f85da |
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font_02_sfnt_off00012995.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12995 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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