MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous links pointing to compromised WordPress upload directories and other potentially disposable hosting, indicating a link farm designed to redirect users. The presence of these links suggests an attempt to direct users to malicious sites, likely for phishing or further malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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 https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613083c72fd89---pogoganuzisilagud.pdf In PDF document text
- http://spartapr.com/images/upload/file/41269056612.pdfIn PDF document text
- http://edituj.cz/res/file/kipemuribekibirosuto.pdfIn PDF document text
- https://hk-delight.com/UploadFiles/file/13018427233.pdfIn PDF document text
- http://lnv-cnc.com/userfiles/file/90098088590.pdfIn PDF document text
- http://socukorglutamatmentesfuszer.hu/ckfinder/userfiles/files/wotowupatisukud.pdfIn PDF document text
- https://artemishosp-em.tw/uploads/files/202110010323403692.pdfIn PDF document text
- https://alixdemassy.fr/userfiles/file/31940101698.pdfIn PDF document text
- http://sxsasa.org/images_fck/file/1631918005.pdfIn PDF document text
- http://ordinate-ltd.com/file_media/file_image/file/94254924055.pdfIn PDF document text
- http://chi-kara.net/userfiles/file/nufozito.pdfIn PDF document text
- http://kaizenlife.com/ckfinder/userfiles/files/varixuleka.pdfIn PDF document text
- http://anapro.com/ckfinder/userfiles/files/24975129779.pdfIn PDF document text
- https://bengalroys.com/ckfinder/userfiles/files/95357389458.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/gavat.pdfIn PDF document text
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613697f6646f8---zobobigalaxunagifamikeka.pdfIn PDF document text
- https://mywayrtk.com/userfiles/file/25587952141.pdfIn PDF document text
- https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/onep90ldguq5rojok7ovt6uom1/65541297234.pdfIn PDF document text
- https://www.tamilsaga.com/ckfinder/userfiles/files/melomovebeka.pdfIn PDF document text
- https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210905160322.pdfIn PDF document text
- http://uniradioweb.info/userfiles/files/femobofepowevo.pdfIn PDF document text
- https://hattoco.vn/images/ckeditor/files/jaxugotasi.pdfIn PDF document text
- http://quartierdete.fr/uploads/fckeditor/file/39919271067.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=fun+electives+to+take+in+collegePDF 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_off0000c016.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC016 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d828.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD828 | 16688 bytes |
SHA-256: 2ed2eb1315dbe1725765ca0fc660a72ebaed658f8443be3fe01bf23c00f43aa4 |
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font_02_sfnt_off000102e6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102E6 | 10540 bytes |
SHA-256: 4d68d4395ad66b52a905c083f431e62a495ef1dfe17d17b2e1d18148dd32957c |
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