MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous external URIs and links to compromised CMS upload storage, suggesting it functions as a link farm to distribute further malicious content or phish for information. The PDF structure and embedded links are consistent with a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://krisoc.ru/uplcv?utm_term=beyblade+burst+qr+code+valtryek+v5 PDF link annotation
- https://kompaspt1.com/contents/files/45979697649.pdfIn PDF document text
- http://jr-bang.com/uploadfiles/20210919094738.pdfIn PDF document text
- http://dh-cell.net/ckfinder/userfiles/files/subuxebe.pdfIn PDF document text
- http://agisma.ru/files/pages/files/27605809334.pdfIn PDF document text
- https://b2bircruise.travflex.com/bot/ckfinder/uf/files/wefagipemaxojazesiboganim.pdfIn PDF document text
- https://gulamanis.com/contents/files/70549520675.pdfIn PDF document text
- http://wernitznigg.at/files/jamare.pdfIn PDF document text
- http://kingbikeonline.com/images/upload/File/35982439914.pdfIn PDF document text
- http://abwingsva.com/uploads/files/xogolame.pdfIn PDF document text
- https://kalashad.com/userfiles/file/78228961628.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/ff77da4974a7a0b5f2be9e442b74f9d6/jizat.pdfIn PDF document text
- http://ediljolli.com/userfiles/files/valowopigamafikupef.pdfIn PDF document text
- http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134577af0d6a---81264640535.pdfIn PDF document text
- https://olterus.com/contents/files/rozeba.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613bc9ec59cef---25845139172.pdfIn PDF document text
- https://dukra.sk/editor_uploads/files/30885393034.pdfIn PDF document text
- http://milkyway-vn.com/upload/files/13524648872.pdfIn PDF document text
- http://brbud.pl/userfiles/file/vewemupidadovidoxorepis.pdfIn PDF document text
- https://oklogistic.lv/upload/file/48438384610.pdfIn PDF document text
- http://drcleancenter.com/uploads/files/202109170249256036.pdfIn PDF document text
- https://www.colline-eternelle.com/ckfinder/userfiles/files/fujokumadajifapozozenives.pdfIn PDF document text
- http://anonelectronics.com/admin/fckeditor/editor/filemanager/connectors/php/upload_jpg/file/202109081157337993.pdfIn PDF document text
- http://aolisenjiancai.com/data/files/73230712322.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_off0000ae94.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE94 | 11012 bytes |
SHA-256: ec1a4e8ee49db10fea60a919da0651453467ede5135032fa99433fee4147ac64 |
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font_01_sfnt_off0000c847.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC847 | 15728 bytes |
SHA-256: 231a3e8acd30a5d6365ddfd76173775fe860178e12eb4383b0b7bcada1644147 |
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font_02_sfnt_off0000f001.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF001 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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