MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of links, many of which point to compromised WordPress upload directories. Heuristics indicate this is a link farm on disposable hosting, likely intended to distribute further malicious content. ClamAV detection and ML classification strongly suggest malicious intent, consistent with phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/160928290bcdc3---68567788969.pdf In PDF document text
- https://fleuriste79.fr/ckfinder/userfiles/files/neginedasivubunuxusomanas.pdfIn PDF document text
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f6ca0db19---repowape.pdfIn PDF document text
- http://gibisch.biz/files/files/dizalefewexutorol.pdfIn PDF document text
- http://chinasoftcore.com/userfiles/file///88143002423.pdfIn PDF document text
- https://youkuvpn.com/upload/files/peridenik.pdfIn PDF document text
- https://xtrafitcoaching.com/www/images/files/vuzutizatilire.pdfIn PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/xiwusaxitavozirutigurite.pdfIn PDF document text
- http://armanetti.com/images/90845052317.pdfIn PDF document text
- https://ce-mi.pl/uploads/userfiles/files/bonolot.pdfIn PDF document text
- https://aimtronu.org/userfiles/file/pavajexoseru.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607d9a44f054c---xidopox.pdfIn PDF document text
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/h8vj7rbh9ii8qssd2u9r8sge44/wupebatigewitu.pdfIn PDF document text
- http://xn--b1afklwjc5g.xn--p1ai/ckfinder/userfiles/files/37182379525.pdfIn PDF document text
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160890987939aa---tasujilibawepaxa.pdfIn PDF document text
- https://mangalargalux.com.br/ckfinder/userfiles/files/rotusikemejiwaw.pdfIn PDF document text
- http://tencanpowder.com/d/files/lekomufozuti.pdfIn PDF document text
- http://bensonlandscape.com/editorData/file/jexowakanidejujezokixulem.pdfIn PDF document text
- https://daks-96.com/f/uploads/files/xaxageweraboxedivexuziluk.pdfIn PDF document text
- https://opescom-store.com/uploads/FCK_files/file/63510467019.pdfIn PDF document text
- http://omonetach.pl/foto/ilustracje/file/bixujonox.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=st+peter%27s+basilica+live+stream+todayPDF 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_off0000d46d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD46D | 17900 bytes |
SHA-256: 85fb80b343e6f8cc49582699a11159cee83c9f6a5794bf7bc1e0f5d165a746ea |
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font_01_sfnt_off000102a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102A9 | 11000 bytes |
SHA-256: 7e238739f9f9d2bbb5ea5e8eb519ce7a275a988357dfa7eeddb8e5fd18e78abd |
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font_02_sfnt_off00011c18.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C18 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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