MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and ClamAV as malicious, specifically as a phishing or trojan variant. It contains numerous embedded URLs that point to compromised or disposable hosting, suggesting it functions as a link farm to lure users to malicious sites. The ML classifier output of 0.997115 further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
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://coretry.ru/uplcv?utm_term=exercice+sur+les+mesures+de+masse+ce2 PDF link annotation
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/b27e274fd3beb913fd4ab02564a566a7/72550529932.pdfIn PDF document text
- http://metaglas.kr/userData/board/file/gaxitavudifoletapotesizoj.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/rktqnam09k8lvkqsi98tjnp8u7/mezogemufumegokavom.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/wugirogijegigatijigeteji.pdfIn PDF document text
- http://1utilaje.ro/mm/file/nutaz.pdfIn PDF document text
- http://anatolianlgs.com/userfiles/file/87045781656.pdfIn PDF document text
- https://tecnibat.net/uploads/archivos/mezimareb.pdfIn PDF document text
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c90208393f---bemon.pdfIn PDF document text
- http://files.ibiza-ferien.de/file/97953069159.pdfIn PDF document text
- https://vntdc.com/upload/fck/file/59495269901.pdfIn PDF document text
- https://skinrepublic.vn/webroot/img/files/31764337796.pdfIn PDF document text
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/dd8e7b6550aa21ebccfd17fd2d379992/17522119290.pdfIn PDF document text
- https://tucarrorentacar.co/ckfinder/userfiles/files/danid.pdfIn PDF document text
- https://krossi.ru/images/content/files/76983728323.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9def64740c---70276963623.pdfIn PDF document text
- http://year-c.com/upload_fck/file/2021-6-24/20210624091045495731.pdfIn PDF document text
- http://www.deopendeur.org/imgUser/file/bixixotagadok.pdfIn PDF document text
- http://gadkowski.pl/repository/filemanager/file/43176035316.pdfIn PDF document text
- http://fueandhair.com/userfiles/files/tekavezajirene.pdfIn PDF document text
- http://hzjksj.com/images/upload/File/vezotom.pdfIn PDF document text
- https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f90205afd0e---52282305934.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_off0000c50c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC50C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dd23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD23 | 10512 bytes |
SHA-256: ca47af6cf91499f1b4f14c4616d2d29e06e7a033c0b52989d5306c95179c2a88 |
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font_02_sfnt_off0000f51a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF51A | 17460 bytes |
SHA-256: de45a5f145c0a2436f51633c55db20651e96350918bd48b3d25d6ce4176cd73c |
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