MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDFs. This suggests a phishing or redirection campaign aimed at leading users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent.
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://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b70d3f1a43---14067304804.pdf In PDF document text
- https://hunde-katzen.at/soubory/28825135691.pdfIn PDF document text
- https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/fqsi4b1srp589adm1r2ou33i6u/80045740037.pdfIn PDF document text
- https://absolut-fit-and-dance.de/wp-content/plugins/super-forms/uploads/php/files/a9s7j66tdp4og3rnjiti1l9cc5/lifonisaviwagazitepizu.pdfIn PDF document text
- http://yourtruck.be/upload/ckeditor/file/zigipojuxoj.pdfIn PDF document text
- https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/387c3c7bed4cd21943e3e8e157b80166/4985748066.pdfIn PDF document text
- https://burstallconrad.com/editor_files/file/vusedefigal.pdfIn PDF document text
- http://phantasos.org/userfiles/file/78639944616.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/d6a0c75bca317d235a9441ec2e249bff/pifememoxomufofadekix.pdfIn PDF document text
- https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608fd03256079---67702698484.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/067535f46aece97595338bf467d16ea3/kizudonox.pdfIn PDF document text
- http://botosani.ro/img/uploads/file/pezewefiperumezudigifemu.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/phe6lu6c4dvbevvr3jiajoddki/noboxobororawefawixibe.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/4ovgqfutakhqot2ggof7rib45s/gadiwafinerewuluvug.pdfIn PDF document text
- http://ride.hu/images/uploads/files/7156238916.pdfIn PDF document text
- http://driver-jazda.pl/upload/file/zetobufiwi.pdfIn PDF document text
- https://fcr-fomentoconsumoerenda.com/uploads/files/pepiru.pdfIn PDF document text
- http://hsiwww.com/image/files/20210624_215145.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/rasuretenorurafefap.pdfIn PDF document text
- https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/c8ed5154fad0b6e257f1c50ead0f8922/71698767215.pdfIn PDF document text
- https://meesens.be/KrMee/Tekstverwerker/82720032137.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4053deba0---32468176797.pdfIn PDF document text
- http://vansuloi.com/uploads/userfiles/file/9740858565.pdfIn PDF document text
- http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607540f2076c8---mimaluju.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=definition+of+austentatiousPDF 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_off0000eec5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC5 | 18964 bytes |
SHA-256: 3bcbb4288d3e75689bf53e289acd3b2009e7574442b0b215688622653901a693 |
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font_01_sfnt_off0001208e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1208E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000138a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138A5 | 10164 bytes |
SHA-256: f17f86385b9059df16e8fc34e5d965ef9302ae899e8ccac3ced5539937480908 |
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