MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous URLs, many pointing to compromised CMS upload directories or disposable hosting, suggesting it functions as a link farm. These links are likely used to redirect users to phishing sites or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
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=sei+no+gekiyaku+full+movie+download PDF link annotation
- https://kme.pl/global/app/webroot/uploads/file/16306527815707.pdfIn PDF document text
- https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/h75fq9hj6408m0vvrhbbk8rne4/muzusamusaxopalegureb.pdfIn PDF document text
- http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16130e43882e9d---lesejigosumotidedek.pdfIn PDF document text
- https://cuatudongnhatrang.com/uploads/files/59030833490.pdfIn PDF document text
- https://bokaichenyu.com/upload/files/dufawasofewarifofozu.pdfIn PDF document text
- https://galerieportelouise.be/userfiles/files/napufewapijegulig.pdfIn PDF document text
- https://keyword-lda.pt/site/upload/file/goleporibafajujadulel.pdfIn PDF document text
- http://www.sosonomo.com/ckfinder/userfiles/files/vigafazupuribob.pdfIn PDF document text
- http://singlesync.com/userfiles/file/33166586512.pdfIn PDF document text
- https://perfecthospitals.org/ckfinder/userfiles/files/rinidujugitija.pdfIn PDF document text
- https://www.champagne-auge-dascier.com/ckfinder/userfiles/files/jedinuge.pdfIn PDF document text
- http://cbafjvn.com/uploads/userfiles/file/58103859802.pdfIn PDF document text
- http://stowarzyszeniemalyksiaze.eu/img/upload/files/61512928518.pdfIn PDF document text
- http://imapbook.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/vuxinuperit.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1614849c93a2b4---7662770475.pdfIn PDF document text
- http://land89.com/ckupload/files/xefedimixowinirokifutil.pdfIn PDF document text
- http://www.tivafa.hu/upload/file/sefisagapiweferuzoge.pdfIn PDF document text
- https://abss.pt/userfiles/file/fogenufovuxax.pdfIn PDF document text
- https://birudongker.com/contents/files/derozegibura.pdfIn PDF document text
- https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/34a1kgntuu5lldhdiu5mvkei0t/sotovukib.pdfIn PDF document text
- http://gmtshipping.com/attachment/file/43217692798.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_off0000c506.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC506 | 10864 bytes |
SHA-256: 4016388d0241cf0ec06cc6015da64a67b61023852c42618238b43131bba4f501 |
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font_01_sfnt_off0000ddfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDFD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f60f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF60F | 20808 bytes |
SHA-256: b6d9437c22a1dd837f7c48f574457e0fa37b42135de54ef43f7d4f0708da83b3 |
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