MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised CMS uploads and disposable hosting domains. This pattern is commonly used to distribute phishing content or malware, making it a likely vector for initial compromise via spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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 http://rulada.by/upload/editor/files/ziguvonoxilu.pdf In PDF document text
- http://recviem.ru/img/upload/41618862101.pdfIn PDF document text
- http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16134a81d79f5a---32208073491.pdfIn PDF document text
- https://barcelonacentromedico.es/files/galeria/files/46210328214.pdfIn PDF document text
- http://msmzizkov.cz/data/dokumenty/kotagirolosev.pdfIn PDF document text
- http://dieukhactransam.com/uploads/files/miwamapukisonawomuwupanej.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed86e79d0d---49905096309.pdfIn PDF document text
- https://underworldgear.com/admin/images/fckImg/file/namexebumefewedoramol.pdfIn PDF document text
- http://fullx.net/files/juboraberoxotinafup.pdfIn PDF document text
- https://soudureornementalelauziere.com/upload/editor/file/vudax.pdfIn PDF document text
- http://loscogliodifavignana.it/userfiles/files/53134719656.pdfIn PDF document text
- https://megatekspb.ru/sites/default/files/uploads/zepotufabafabenej.pdfIn PDF document text
- http://incomingmakedonia.com/files/files/jerijixanore.pdfIn PDF document text
- https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/gapaxowadituk.pdfIn PDF document text
- https://eltonltd.ru/sites/default/files/uploads/82367748568.pdfIn PDF document text
- http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613509696667f---50823588713.pdfIn PDF document text
- https://chataigne-cevennes.fr/imgs/files/60509416495.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/vasirovofedaxinelidut.pdfIn PDF document text
- https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/ac1c0d9d123387ce851b33cfdfc395ca/32973131740.pdfIn PDF document text
- https://ccskin.com/geektic/files/63826256344.pdfIn PDF document text
- https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/m9ns3s8in59plf0520n06pm1e6/valesasadoketiridure.pdfIn PDF document text
- http://ltptech.vn/uploads/userfiles/file/rijufududozelesosa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=rrr+songs+download+mp4PDF 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_off0000d784.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD784 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000ef96.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF96 | 19132 bytes |
SHA-256: 3e396fd7ad7428bde90456452607df7882935681d41c99b298895c055c778817 |
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font_02_sfnt_off000121b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121B2 | 10620 bytes |
SHA-256: d25f08c93c51faf61a7253a7d3fa3482b56a326ee73bb2e3bcc435176337c28d |
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