MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains numerous external links, many pointing to compromised WordPress sites, suggesting it's part of a link farm or phishing campaign. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports its malicious nature. No scripts were extracted, but the presence of numerous URLs indicates a likely intent to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://nomylo.ru/uplcv?utm_term=top+20+psp+games PDF link annotation
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/9jlfkdq2ghe7qj5oav7vmmf9ll/208191905.pdfIn PDF document text
- https://nutrishop.in/ci/userfiles/files/pobenuxedidifanipajiburo.pdfIn PDF document text
- https://contabil-fiscal.ro/mm/file/78694455011.pdfIn PDF document text
- http://reanda.com/jingkelun/userfiles/files/20210916053628.pdfIn PDF document text
- https://hitourkorea.com/FileData/ckfinder/files/20210913_56C32F187A3D263B.pdfIn PDF document text
- https://mimpishio2bet.com/contents/files/fisavexamuvegomep.pdfIn PDF document text
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/51700698212.pdfIn PDF document text
- https://christembassybarking.org/wp-content/plugins/super-forms/uploads/php/files/56313bd29b6633ab5d906081cb342665/jazogo.pdfIn PDF document text
- http://dorp.pl/userfiles/files/4880174625.pdfIn PDF document text
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2388dccc5---vesibekugaguludamo.pdfIn PDF document text
- http://ketnoikienthuc.com/upload/files/tixegefogufuzo.pdfIn PDF document text
- http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161434da6daee8---dukizitusasunukulosusit.pdfIn PDF document text
- http://air-con.ru/upload/files/medivowevumefiju.pdfIn PDF document text
- http://aibasylhet.edu.bd/app/webroot/ckfinder/userfiles/files/gosunarogixatinaguzegovo.pdfIn PDF document text
- https://feltshoe.com/userfiles/file/dezasasimofapumi.pdfIn PDF document text
- http://elazentrale.de/images/uploaded/file/50153513977.pdfIn PDF document text
- http://uts.edu.co/portal/app/ckfinder/userfiles/files/lewuzugaremo.pdfIn PDF document text
- http://diennuocdanang.com/uploads/image/files/88768870229.pdfIn PDF document text
- http://thy-environment.com/userfiles/files/beluziji.pdfIn PDF document text
- https://dudikom.pl/userfiles/file/5457993393.pdfIn PDF document text
- https://corpusbg.com/files/fck/file/dovemawopujakitot.pdfIn PDF document text
- http://jeanthompson.nl/ckfinder/userfiles/files/xonelizetam.pdfIn PDF document text
- https://migger.dk/userimages/file/54458631345.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_off0000cd1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD1D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e534.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE534 | 10360 bytes |
SHA-256: 862079bf36b476ef76d2232e67a13b457dda6bf66674e2d2bfd63c63c72fefc6 |
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font_02_sfnt_off0000fcba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCBA | 17876 bytes |
SHA-256: 5f664f783cf6172c0ff5ba37b684335c5de555d976443f3f61b7625564fee8d6 |
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