MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to compromised websites, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://medvor.ru/uplcv?utm_term=exothermic+reaction+uses+in+daily+life PDF link annotation
- http://debden.org/userfiles/file/1959539854.pdfIn PDF document text
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/ac0ab0f256d7731f5cb2089fc8c3199d/laligedobavozatokemevi.pdfIn PDF document text
- https://prawobrzeze.info/userfiles/file/pabelixugexidoxidomenug.pdfIn PDF document text
- https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608355ca49253---14549784795.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/12c5159ce74a260cabe66d28d4c027c6/xosisuduvevagumedizub.pdfIn PDF document text
- https://ceral.pl/ceral/pliki/file/jelad.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608311e05c6b5---nizogigimujani.pdfIn PDF document text
- http://ippinnudon.com/uploads/files/41391797939.pdfIn PDF document text
- http://renovfab-menuiserie.com/userfiles/file/5492078718.pdfIn PDF document text
- http://kirakuramen.com/uploads/files/zitakovinawu.pdfIn PDF document text
- http://adria-ex.com/images/blog//file/16211497671.pdfIn PDF document text
- http://brandnewgoods.net/userfiles/file/torixalokatorudijenuw.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b70ea4245d6---nexosirijotuzixedu.pdfIn PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074700be8e32---tapugufuzewimom.pdfIn PDF document text
- http://codienlanhminhquang.com/upload/files/73911315143.pdfIn PDF document text
- http://keiganproductions.com/clients/863431/File/29171454988.pdfIn PDF document text
- http://aqbnb.com/uploadfile/file/kegotupulujajisa.pdfIn PDF document text
- http://haphadoor.com/upload/files/82185050733.pdfIn PDF document text
- http://museeducuir.org/upload/files/xokupufakajuw.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d301031a0c4---10571670285.pdfIn PDF document text
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a764fc3cb48---44803170811.pdfIn PDF document text
- http://ecohost.ru/pics/images/file/lafusefuwir.pdfIn PDF document text
- http://khanaphatgroup.com/UserFiles/file/nivokezujefikozejon.pdfIn PDF document text
- https://cape-electronics.com/media/file/nelinikevurege.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://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_off0000e9e2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9E2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000101f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101F9 | 11040 bytes |
SHA-256: c996ab8f7667ef134d8763a44bb8cd36800cd088bfe9974e4a966677e10047d5 |
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font_02_sfnt_off00011b85.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B85 | 16704 bytes |
SHA-256: ea8bd7d74191e382389d372fe6cfd156967b060b7af6cfa12675a64308f35e7a |
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