MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to other PDF files hosted on compromised websites. This behavior is indicative of a link farm designed to manipulate search engine rankings or to lure users into downloading further malicious content. The ClamAV detection and ML classifier strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9833
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 http://schodylux.pl/userfiles/file/miwomomoxowemogivida.pdf In PDF document text
- https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/e67459f904d1e6189f3b2184148c5787/91266097925.pdfIn PDF document text
- https://giriconsultancy.com/content_files/files/4840645899.pdfIn PDF document text
- http://odessahighschool1970.com/clients/7/70/70263b1be1b93b62200e198143f59f20/File/kusovopexosovizufawe.pdfIn PDF document text
- https://vildmarksjagt.dk/userfiles/file/mapaxipanifatufegumu.pdfIn PDF document text
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/f8ba543b2e98548972959e31414dbe31/wubutewojeled.pdfIn PDF document text
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/a22f47fa92be487af1f211568a66d82c/46523352293.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f8d3b3a201---25433339787.pdfIn PDF document text
- https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/f05bbbe79450a7c92920f4030d7370d7/wasibobanur.pdfIn PDF document text
- http://sistarelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/joxupenokiwalojig.pdfIn PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/g1k5np73pcirvpnm97v06ots25/17021924660.pdfIn PDF document text
- https://fisheaglesafaris.net/pics/user/file/guwegodulavojigavexurod.pdfIn PDF document text
- https://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0f43b7f08---gimumawexobixoremobu.pdfIn PDF document text
- https://prosperitas.be/data/assets/file/21180380148.pdfIn PDF document text
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/kq5sq85q7lgv4kt1mbak38rfue/41444881813.pdfIn PDF document text
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/27e8093ebce51421032c01c90b50fc4d/63956220795.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/fonujodixawokolebinubosok.pdfIn PDF document text
- http://stlnsk.ru/uploads/file/96366695085.pdfIn PDF document text
- https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/74r9v7upc2879dg4la1rub1ca1/2454882186.pdfIn PDF document text
- https://www.geosuiteonline.de/wp-content/plugins/formcraft/file-upload/server/content/files/160864e844c5dc---fizijafineganikuw.pdfIn PDF document text
- https://binarbaidtrading.com/public_html/userfiles/file/62923028348.pdfIn PDF document text
- https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/2287493560c5f014b6a53459e008a4f5/68420188459.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1605693ee622e47867540ff0edadbbd2/rejete.pdfIn PDF document text
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/f4ec0875f34d9c84d144bd1ca7642a5c/90807275802.pdfIn PDF document text
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098a4c918c2f---11793116582.pdfIn PDF document text
- https://textolinguisticsolutions.com/upload/editor/file/54367790687.pdfIn PDF document text
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16075bccc80f12---jibefofulotokiraguxuv.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=scanned+pdf+textPDF 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_off0000db80.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB80 | 16984 bytes |
SHA-256: b17053d4ba8ee0d5415a0939d7548b5b8cfa0b875a0056f604258772e7538a5c |
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font_01_sfnt_off000107be.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107BE | 10264 bytes |
SHA-256: a45f759162b297cadb38b361e573765b32aa090d828f3d983f35e6a7d2d0ef56 |
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font_02_sfnt_off00011eff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EFF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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