MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, including a link farm hosted on compromised WordPress sites. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for executing malicious code within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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.abrasco.org.br/ckfinder/userfiles/files/garajawidu.pdf In PDF document text
- https://selispin.com/calisma2/files/uploads/nabuvamekelidatelunuvono.pdfIn PDF document text
- http://gewald.ru/content/Files/riguturu.pdfIn PDF document text
- http://poltinka.ru/userfiles/file/zemekebidilabenazifekifa.pdfIn PDF document text
- https://madeinstlucia.com/userfiles/files/milam.pdfIn PDF document text
- https://embassyinvietnam.com/webroot/img/files/ximil.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/161364a378ddee---48694511959.pdfIn PDF document text
- https://mmoxx.mn/userfiles/files/narazunigetexix.pdfIn PDF document text
- https://pragatitic.org/ckfinder/userfiles/files/67188609646.pdfIn PDF document text
- http://seibyou-koujien.com/files/files/5370529773.pdfIn PDF document text
- https://fond.ru/userfiles/file/15050146351.pdfIn PDF document text
- http://studiocinti.eu/userfiles/files/loponuba.pdfIn PDF document text
- http://sincaremedicaltour.com/js/upload/widaveleza.pdfIn PDF document text
- http://studiotecnicomancini.eu/userfiles/files/fedotirufipu.pdfIn PDF document text
- http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/wexajajapivitekexokajal.pdfIn PDF document text
- http://giaodantanthaison.com/Images_upload/files/lamujilikuneruvera.pdfIn PDF document text
- http://centralcogtc.com/uploads/file/2360244156.pdfIn PDF document text
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161363224d09d4---ramujabuf.pdfIn PDF document text
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/jedeton.pdfIn PDF document text
- http://bc-arman.kz/ckfinder/userfiles/files/lojoranadawokiku.pdfIn PDF document text
- http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342f1a85336---21744064090.pdfIn PDF document text
- http://huseyindurmuslar.com/images_upload/files/gigotuzadagubenir.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/14849101557.pdfIn PDF document text
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/161380c488d309---kiwakofanoku.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=where+is+the+app+store+on+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://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_off0000e52c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE52C | 17752 bytes |
SHA-256: f71408a07826724265c52b3ab8e86d7fb606ad8fa2d14a9b99c60fb920df8783 |
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font_01_sfnt_off00011290.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11290 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012aa7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AA7 | 10436 bytes |
SHA-256: 4f6e567c5b6085e7f033daea0e563d009599ad01526112f675a9e87c114883eb |
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