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 and disposable hosting, with the explicit goal of distributing a PDF reader. This is a common lure for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or trojan delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://esoftland.com/userfiles/file/38867786495.pdf In PDF document text
- http://capmar.eu/userfiles/file/79515044178.pdfIn PDF document text
- http://www.anjhimayath.com/upload/file/napewezijedu.pdfIn PDF document text
- https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/4565aa55552bbfc2b5415406e05ce403/momazepawa.pdfIn PDF document text
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/09dd75c9d57b2467fd08eafc4af250e7/xeroluximivodokuxe.pdfIn PDF document text
- http://xn--80aaae7amexjfdlfdfg.xn--p1ai/files/file/782402563.pdfIn PDF document text
- http://symbioticlifetech.org/attfile/fckimg/file/%5C/2021060664614_524238660.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd25a1802ad---sadobukarenukedejezuvevo.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/nq4ntflgh5iae7b8emlkg4e1r5/87542550016.pdfIn PDF document text
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a6b0b0174---62909511413.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1608e7040d426d---palututixiramusevaxikug.pdfIn PDF document text
- https://hashtag.school/userfiles/file/tukebatojuritate.pdfIn PDF document text
- http://essiac.cz/UserFiles/file/jifegixuretaramivapi.pdfIn PDF document text
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e81b71ff34---91725914767.pdfIn PDF document text
- http://zulassung4you.de/bilder/file/nuleza.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=epub+pdf+reader+androidPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d3a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3A9 | 4724 bytes |
SHA-256: f04b63dcbfb4c050d33f7abbbf805fdbc632f784dbd7be041264528becb0dbd9 |
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font_01_sfnt_off0000e3b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3B1 | 11012 bytes |
SHA-256: 67e05adc3a5b54141ec6b1d599c5df3aa8b540534114a0680c512f9135387cc4 |
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font_02_sfnt_off0001093f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1093F | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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