MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external links, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of external URIs and link farms indicates an attempt to lead the user away from the document to a potentially harmful destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://inwebjor.ru/uplcv?utm_term=one+punch+man+episode+134 PDF link annotation
- https://quatden.vn/webroot/img/files/89352061278.pdfIn PDF document text
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/c7012a00e0e1491a6bb3f9c8dfd6c235/45077184776.pdfIn PDF document text
- http://fabtur.ru/upload/files/mopinesisutasukudi.pdfIn PDF document text
- http://bjsixiang.com/jingkelun/userfiles/files/20211002195250.pdfIn PDF document text
- http://coverybox.box8websites.com/ckfinder/userfiles/files/12694574410.pdfIn PDF document text
- http://quangcaosms.org/media/ftp/file/32770162208.pdfIn PDF document text
- https://www.almuhja.com/ckfinder/userfiles/files/93956671964.pdfIn PDF document text
- http://one9five.com/userfiles/files/40409127559.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369c3713bed---zimuletijebi.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/fajozasa.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/489386c3c7349a31a8db6e2931c5a4d4/83043114280.pdfIn PDF document text
- http://traslochimontalto.it/userfiles/files/bovenuvexim.pdfIn PDF document text
- http://megamento.com/_UploadFile/Images/file/dikit.pdfIn PDF document text
- http://depcip.com/app/views/panel/ckfinder/userfiles/files/86516845307.pdfIn PDF document text
- http://xn--zb0by3yusal20ak5lcidnwigi.com/ckfinder/userfiles/files/1632088990.pdfIn PDF document text
- https://gulfcans.com/home/madarmun/public_html/gulfcans/images/bulk_images/files/mezewelamipovom.pdfIn PDF document text
- http://domoticasociale.it/immaginiNewsletter/file/tizabitagumugotek.pdfIn PDF document text
- https://wfca-czech.cz/temp/userfiles/files/lenepekigejabage.pdfIn PDF document text
- https://skl68n15g-n2ox.com/contents/files/20350862673.pdfIn PDF document text
- https://retrofitoman.com/ckfinder/userfiles/files/92454664129.pdfIn PDF document text
- https://etest.vn/app/webroot/uploads/files/nilenag.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/dewuvizevafabowefolanodem.pdfIn PDF document text
- http://sxnqx.org/upload/file/Fl202109020458331792.pdfIn PDF document text
- 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_off0000b025.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB025 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c837.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC837 | 14620 bytes |
SHA-256: e66d82e0c3077aa4116311ef1c26469210e5efb47ff970e07063d40e7d19dfae |
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font_02_sfnt_off0000ecfc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECFC | 10964 bytes |
SHA-256: 4aae453b398c03a20b829b5c1700c20e5ad605860e365428f851399fbb335c8a |
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