MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous embedded links, many pointing to compromised CMS upload directories, suggesting a phishing or malware distribution campaign. The primary attack pattern involves directing users to external URLs hosted on potentially compromised or disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://smidgel.ru/uplcv?utm_term=tsitsipas+live+streaming+free PDF link annotation
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/be1449e13a9a5bd263ef3ecafb7feebd/noxipobu.pdfIn PDF document text
- https://foodexgida.com/uploads/files/48882763750.pdfIn PDF document text
- http://www.papelerialapiceros.es/ckfinder/userfiles/files/37264920548.pdfIn PDF document text
- https://takarasushimn.com/userfiles/files/2265257718.pdfIn PDF document text
- http://dc-a0dcf319a153.breakthroughsport.com/userfiles/files/95370326099.pdfIn PDF document text
- https://kapokcmassage.com/uploads/files/202109162308395518.pdfIn PDF document text
- http://galantemontagnana.it/ckfinder/userfiles/files/bifinadofigaz.pdfIn PDF document text
- http://yakutiaprime.ru/SITE/files/editor/file/tosenusoxudigizi.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/nedopadi.pdfIn PDF document text
- https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613b9fd6d7ef4---kojaka.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/7c727134f9db0f9203070f3b6839cb19/62134283431.pdfIn PDF document text
- https://lawyerupsmart.com/tempimg/file/19021591403.pdfIn PDF document text
- http://patp1ryb.ru/media/file/parusogabe.pdfIn PDF document text
- http://vetsnab32.ru/userfiles/file/51892491372.pdfIn PDF document text
- http://szyldkj.com/luodan/images/userfiles/file/pisejukutururutogude.pdfIn PDF document text
- https://altaamir.ipixpms.com/Rapport/public/assets/ckfinder/userfiles/files/60496683918.pdfIn PDF document text
- http://www.hermosabeachbungalows.com/userfiles/files/23377722572.pdfIn PDF document text
- http://grupafurman.pl/!mag2011/userfiles/file/xekijabosixeni.pdfIn PDF document text
- http://dalboncostruzioni.it/userfiles/files/72860604445.pdfIn PDF document text
- http://sbstroy53.ru/img/files/80134462752.pdfIn PDF document text
- http://cjmfgx.morefriendship.com/upload/files/61082268026.pdfIn PDF document text
- https://www.fecomerciomg.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16140752c78327---88047064928.pdfIn PDF document text
- http://samtekelektrik.com/files/95803729987.pdfIn PDF document text
- http://archidaldegan.eu/userfiles/files/45509107324.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_off0000dcc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCC2 | 17360 bytes |
SHA-256: 2f38701bd37f6026d83934d3f45cea7ba88af847d8414ab17b6931a9f9a105de |
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font_01_sfnt_off000109b5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109B5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000121cc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121CC | 10612 bytes |
SHA-256: 961cfe9ef202c89c95fa61100d8daf151cf47ecd5e05a869dfaf5af84d5c90fb |
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