MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous external links, many pointing to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of these links and the overall structure strongly suggest a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://sjalikave.hu/pictures/file/zetofarosufinivukisogit.pdf In PDF document text
- http://bukhatirhomes.com/userfiles/file/38387355219.pdfIn PDF document text
- http://fjzy18.com/image/uload/files/36809169913.pdfIn PDF document text
- https://birudongker.com/contents//files/40288266923.pdfIn PDF document text
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16108c7c5d25fb---36470722669.pdfIn PDF document text
- http://ambvetsanprospero.eu/userfiles/files/49040319551.pdfIn PDF document text
- http://singer-island-condos.com/userfiles/files/migugoburekab.pdfIn PDF document text
- http://learningkey.org/userfiles/fapudinux.pdfIn PDF document text
- http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16120d9a57fe1f---putonivadonabewakagipe.pdfIn PDF document text
- http://leebyunghun.org/new/upload/board/files/5560362943.pdfIn PDF document text
- http://uralinteh.com/uploads/files/nopapo.pdfIn PDF document text
- https://eyescare.vn/app/webroot/upload/ckfinder/files/75073997417.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/cd395b1a0cf14af4896d0adce79124cd/vusezonojupisakenugutafug.pdfIn PDF document text
- https://europacreativaeuskadi.eu/files/galeria/files/85053981066.pdfIn PDF document text
- http://sns.hu/_user/file/wazoxizodopibinubexideje.pdfIn PDF document text
- https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/78337991311.pdfIn PDF document text
- http://myphamso1.net/uploads/files/suxok.pdfIn PDF document text
- https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/3107a5f4d5c9426c5b5d8be333a74849/11352621539.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084df221be7c---49529086641.pdfIn PDF document text
- https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/a78312a5acda71cda8c72be45b5f59d8/logemesevimu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=cooperatives+in+nepal+pdfPDF 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_off0000d00f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD00F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e826.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE826 | 10588 bytes |
SHA-256: dc541dbe787615bb5e5201ef93e374089a27902c370d4952f831f065f9cc9e86 |
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font_02_sfnt_off00010079.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10079 | 17256 bytes |
SHA-256: 26f1cc0cad120c125e5df068fe8ec7d5835c065f529d0592bae662f184a1f060 |
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