MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload storage and disposable hosting, indicating a link farm for SEO poisoning or phishing. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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/tenotebibab.pdf In PDF document text
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b4459278bf---56811410448.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a989cf296b0---wuzaxebumabaxever.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/56200889367.pdfIn PDF document text
- http://whs1963.com/clients/7/75/758a827d59fb1c2827eec60421ffdc22/File/21680127654.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609eb7f3798c0---dojusizigupefimuduz.pdfIn PDF document text
- http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/943bff406decfa15728caca1f559b6a6/tobagame.pdfIn PDF document text
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1608478c1960c4---80344452762.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210628050933.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160887aac19731---dubefakusodo.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/22404983769.pdfIn PDF document text
- http://africanhairbraidingsalon.com/userfiles/file/wipelofavudatufisej.pdfIn PDF document text
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/16075c35c7fcd0---75455603998.pdfIn PDF document text
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/1076fdd7f0f1b427aa0337d5ebd46c1e/nekanamosizodevamubiwuje.pdfIn PDF document text
- https://e-uchebnici.com/img/file/wesas.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607f5196315c3---60819457625.pdfIn PDF document text
- https://realestateconnect.biz/wp-content/plugins/super-forms/uploads/php/files/p21tbqul1rgqji3iggk2l1bjs0/gokit.pdfIn PDF document text
- http://a-swiss.com/upload/userfiles/file/957835367.pdfIn PDF document text
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608792e7de57b---sakonosolemegum.pdfIn PDF document text
- http://ever0036.com/assets/uploads/ckedit/files/20210612094757.pdfIn PDF document text
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/f59538060b8d9f3ab1ebe61ee0dd1abd/kisujadapavokebolixuve.pdfIn PDF document text
- https://shoppingplanet.ro/ckfinder/userfiles/files/15946164118.pdfIn PDF document text
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16070a006c0d65---satupapala.pdfIn PDF document text
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc82239113---4947456910.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=ophthalmic+surgical+procedures+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_off0000ecf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECF0 | 17940 bytes |
SHA-256: 2e209fbbbbe2d735e05de2343d288229694b3f73ddcfdc87d92b293f5713dbfd |
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font_01_sfnt_off00011cc6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CC6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000134dd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x134DD | 11088 bytes |
SHA-256: ee00d02614c840524c606597d3f57c254dacd730d4f52b137ada7cef13a6460c |
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