MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised or disposable hosting. The 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristics indicate a pattern of using such sites for distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://chcial.ru/uplcv?utm_term=dragon+quest+5+ds+rom PDF link annotation
- http://savoie-outils-coupants.com/ckfinder/userfiles/files/47565459339.pdfIn PDF document text
- https://bimore.vn/webroot/img/files/62666128255.pdfIn PDF document text
- http://nprofit.hk/userfiles/5202328101.pdfIn PDF document text
- http://paneldeconso.com/userfiles/file/fifuzoxiresifemon.pdfIn PDF document text
- http://photo-preiss.com/upload_files/files/wutejaronibeloviguz.pdfIn PDF document text
- http://vhshf.de/File/13005371365.pdfIn PDF document text
- http://tangneylaw.com/admin/images/file/libodaloravarikufobavo.pdfIn PDF document text
- http://salamatekhanevadeh.ir/ckeditor/files/files/rasudazubiwifarirefiseni.pdfIn PDF document text
- http://azinsaghf.com/cache/fck_files/file/54524163103.pdfIn PDF document text
- http://uniondrygoods.com/fckeditor/userfiles/file/ruxativuzotaboseguk.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16132d9411da28---vetomofipiriwuvu.pdfIn PDF document text
- http://drivescuolaguida.it/userfiles/files/kexofogujukaruboxelo.pdfIn PDF document text
- https://equalland.com/uploads/File/rovikiwipefibofobi.pdfIn PDF document text
- http://stjconsulting.it/userfiles/files/48732982029.pdfIn PDF document text
- http://autoset66.ru/admin/ckfinder/userfiles/files/gepakananenuf.pdfIn PDF document text
- https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/161359276b90ca---lewawexet.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/kefilopewakovuf.pdfIn PDF document text
- https://vasutaszeneiskola.hu/ckfinder/userfiles/files/50292178845.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/hfagoptkj5chkdsorb0ofgn1n5/93336971916.pdfIn PDF document text
- http://vititanon.com/user_img/files/zolamusezit.pdfIn PDF document text
- http://faurerom.com/userfiles/file/96069674386.pdfIn PDF document text
- http://didula.com/img/file/42677049555.pdfIn PDF document text
- http://hoanhaochemical.com/uploads/files/83228693739.pdfIn PDF document text
- http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/22120621990.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_off0000cc80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC80 | 10836 bytes |
SHA-256: 499c12b14c3ce06322e068f651f702df7df34c6ade01a1360599a0aa9366faf5 |
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font_01_sfnt_off0000e50e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE50E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fd20.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD20 | 18936 bytes |
SHA-256: c68b9166cf0500ca6a7a4777c4cf4387c8de2dbc1e4e6f595790ea2b2f0ece47 |
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