MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous URLs, many pointing to compromised CMS upload directories, suggesting a link farm designed to host or distribute malicious content. The PDF structure and embedded links are consistent with phishing or malware delivery campaigns.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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 http://0851gay.org/userfiles/202106file/2021061215170970554.pdf In PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a1a3de705b1---dazugumojavof.pdfIn PDF document text
- https://ukdirectremovals.com/wp-content/plugins/super-forms/uploads/php/files/7841b99262696859a61b17858fbd7eb3/xadadi.pdfIn PDF document text
- https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/33d95970b136086776836cb7184d9fd1/80528336522.pdfIn PDF document text
- https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6b91e843b---33145927646.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f6eeb9c065---71051785666.pdfIn PDF document text
- http://aep-tc.com/cache/fck_files/file/xidalovejumawefofaviwinu.pdfIn PDF document text
- http://hollywoodterrace.org/clients/863344/File/60811853361.pdfIn PDF document text
- http://dogninja.com/userfiles/files/97362989983.pdfIn PDF document text
- http://luberoff.com/userfiles/file/44527358182.pdfIn PDF document text
- https://kede.org/userfiles/file/gulusudexufuxaboxoxu.pdfIn PDF document text
- http://whatdwellswithin.com/file/vewuzazol.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1609454f191e5a---11287496250.pdfIn PDF document text
- http://ebsenglish.net/_UploadFile/Images/file/nusab.pdfIn PDF document text
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a71cae5d6ea---75195057288.pdfIn PDF document text
- https://alianzatours.com/imagenes/file/nejeporujudu.pdfIn PDF document text
- https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/ad6bd052f72d9aee650bf77a825acc19/14373685276.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=best+2+player+games+ps+nowPDF link annotation
- 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_off0000f046.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF046 | 16520 bytes |
SHA-256: 1612d1e2f5fb9bfae2e3bfa2b05a2166686011023184fa855701cb50fbea0f38 |
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font_01_sfnt_off00011b01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B01 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013318.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13318 | 10876 bytes |
SHA-256: 01789ee1c4e01d07f46c9ab4c790d0bba29fdc832a704f8dd046d2183c22b040 |
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