MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, many of which are part of a link farm hosted on compromised or disposable domains. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' suggests a common tactic of encrypting payloads to bypass initial security checks.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ketchas.ru/uplcv?utm_term=best+period+tracker+app+android PDF link annotation
- https://sergiomauri.com/images/file/disozegedabofedajafod.pdfIn PDF document text
- http://80tner.netsociality.com/upload/files/tutilufuselamametonesod.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16135bc3890946---dikowawafufodemuzi.pdfIn PDF document text
- http://bsinteriordesigner.com/userfiles/files/benami.pdfIn PDF document text
- http://karat-dobremiasto.pl/userfiles/file/xurak.pdfIn PDF document text
- http://leeandrewdavison.com/download/kibiz.pdfIn PDF document text
- http://media-production.net/admin/ckfinder/userfiles/files/buperivebumawa.pdfIn PDF document text
- http://olimpic.hu/ckfinder/userfiles/files/844597308.pdfIn PDF document text
- https://hargagila.com/uploads/image/files/vuxovekuvuwid.pdfIn PDF document text
- http://thomasgearon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/durebigovazisafowejojog.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/nadunuweboxevilotasotigu.pdfIn PDF document text
- https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/92971374354.pdfIn PDF document text
- http://lovepetclinics.com/file_media/file_image/file/tugagitufufuzowuxevapezag.pdfIn PDF document text
- http://pilot-market.ru/new/files/file/timofakiwes.pdfIn PDF document text
- http://benevolo.it/userfiles/files/mepamuvitapeve.pdfIn PDF document text
- https://mimpishio2.net/contents/files/sozinorage.pdfIn PDF document text
- http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/9356622498.pdfIn PDF document text
- http://dlabiura.kbo.pl/ckfinder/userfiles/files/pemutezasa.pdfIn PDF document text
- http://futurepoolandspa.com/ckfinder/userfiles/files/fividivavasetovajulal.pdfIn PDF document text
- http://satunatc.ac.th/ckfinder/userfiles/files/pubazumuvusimimudakaliti.pdfIn PDF document text
- http://baiduvpn.com/upload/files/25190020687.pdfIn PDF document text
- http://goldmustang.ru/files/files/99053266784.pdfIn PDF document text
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130b38b819d1---95319547884.pdfIn PDF document text
- http://vitrine-prof.com/files/movebilovulasewejebowoga.pdfIn PDF document text
- http://gazomotor.com/allinone/file/tifosakokuxixoneseze.pdfIn PDF document text
- https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/e51531f6fd636a3a524699b6b23e8f96/molizavugos.pdfIn PDF document text
- http://anpharma.net/upload/files/diguwojorulupagupogixaba.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_off0000edae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDAE | 17168 bytes |
SHA-256: a710281ad9ba1adef3da44d17c9f31654ad2e1d937295984dab5c7895488d2a9 |
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font_01_sfnt_off00011a14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A14 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001322b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1322B | 10604 bytes |
SHA-256: 8a74af5a1c7d010317471654f1466d1442c7b9ad71b9157deadb26ad7c3904e2 |
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