MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. The heuristics indicate the PDF acts as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites. These links likely lead to further malicious content or downloads, suggesting a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148147abba22---16010166148.pdf In PDF document text
- http://taociren.com/upload/file/210910071314725436lch9jtir984a.pdfIn PDF document text
- http://www.verneteco.com/ckfinder/userfiles/files/kaxisasuni.pdfIn PDF document text
- https://035620126.tw/upload/greenkitchen/files/64245197228.pdfIn PDF document text
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/161466787c3956---52630173315.pdfIn PDF document text
- https://it-remarketing.pl/app/webroot/media/files/xegonogotu.pdfIn PDF document text
- https://ddmmaze.altruistictech.org/documents/img/upload/files/20489106789.pdfIn PDF document text
- http://jiji.pgo.tw/pic/uploads/files/liwitatajokewamo.pdfIn PDF document text
- https://bitree.ru/ckfinder/userfiles/files/65442573650.pdfIn PDF document text
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135b148332fb---50479868829.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/dunanafosavapomudarazip.pdfIn PDF document text
- http://ladispensadicampagna.it/uploads/assets/file/gibazufix.pdfIn PDF document text
- https://hlj-vibration.com/uploads/image/20210912/files/20210912224601.pdfIn PDF document text
- https://sieuthimaytinhcu.vn/upload/files/kejezado.pdfIn PDF document text
- https://u15.ch/ckfinder/userfiles/files/gonogutufolusigunuwekude.pdfIn PDF document text
- https://legouic-peinture.fr/userfiles/file/55698041899.pdfIn PDF document text
- http://riccaassociati.eu/userfiles/files/37328674947.pdfIn PDF document text
- http://studiopetrilli.it/userfiles/files/89213739756.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137bc2fdf5de---taligejixel.pdfIn PDF document text
- http://saringkarnwood.com/UserFiles/file/95034097749.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16132aabca70b7---borulejopekowipejexeti.pdfIn PDF document text
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/ae8d987690a4521c9099a1cdafef774b/39669216143.pdfIn PDF document text
- http://centromp.it/userfiles/files/18361344712.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=castle+story+apkPDF 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_off0000b6f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB6F5 | 17660 bytes |
SHA-256: d2542ebc567abbd93d1eaa1927a58ad6f5f8806e197358f5a3fbadc4ef0e1a19 |
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font_01_sfnt_off0000e369.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE369 | 10284 bytes |
SHA-256: 24d8012b9ee8d1ca477b318bd801dfd6405af88b0d8d341e6cf97707af876600 |
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font_02_sfnt_off0000fad1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFAD1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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