MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to external websites, many of which are hosted on compromised CMS platforms or appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the structure and embedded URLs suggest a lure to external malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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 http://mertlakustika.cz/images/pages/file/sekizekimedopisogakuboma.pdf In PDF document text
- https://francoisdaulte.com/ckfinder/userfiles/files/18667508809.pdfIn PDF document text
- https://sandalyecenneti.com/wp-content/plugins/super-forms/uploads/php/files/nnu2btefk82dqo8jdq3e0icpbp/51484327492.pdfIn PDF document text
- http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/160d77192886d9---65294293559.pdfIn PDF document text
- https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc6c0313fe---movuximogixilajokox.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/73kg7krtmp4v8i8c3asc2csk34/83964719850.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc76dd0eb1---4060545722.pdfIn PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfd0e16d80f---lajurabukebalewurikiz.pdfIn PDF document text
- http://women-for-marriage.com/ckfinder/userfiles/files/6410248536.pdfIn PDF document text
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/79cccb65ad0b69eb256afb416b5c96f6/16541400572.pdfIn PDF document text
- http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/613b1d54cafa5c69e66c464877f79ef5/92695249608.pdfIn PDF document text
- http://indagosrl.it/userfiles/files/48990987672.pdfIn PDF document text
- https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb9625369ab---34011979121.pdfIn PDF document text
- https://cicadit.ro/UserFiles/file/48051369271.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/f96827e299056e40b19c319cbb163443/22424878694.pdfIn PDF document text
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/e3q48bbt99rn93pnc5saupv7av/54649505251.pdfIn PDF document text
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607be95b2616e---guvunugifat.pdfIn PDF document text
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/1e2642ca3e2aa03bca92ab6a3447b6e2/puxabolojakugimamuxil.pdfIn PDF document text
- http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/3464f2d5fe8327299fb13fd48851d646/18326928576.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2900371a71---58649095447.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/44dc8068db1fa83feb345a7fd44b43da/lobatunux.pdfIn PDF document text
- https://soalmatematik.com/userfiles/file/90934938456.pdfIn PDF document text
- http://ats-dz.com/userfiles/file/xebobawododibatevitoniz.pdfIn PDF document text
- http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/k4givv4i5p31rf63u5p97rcrs0/vaxonilulote.pdfIn PDF document text
- http://alarcon-v.com/editor_upload_image/file/35760920943.pdfIn PDF document text
- https://irrisyst.eu/files/file/18079990494.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=cause+of+heart+palpitationsPDF 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_off0000fd24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD24 | 10588 bytes |
SHA-256: 72a250de717d4de70a38bd80b00344d67d95ef848427017dbf3ac9948a48a893 |
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font_01_sfnt_off00011541.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11541 | 16944 bytes |
SHA-256: db326567a5c6e4200e550913d5f330c2a5b52d490d4f31602978778f44e9152a |
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font_02_sfnt_off0001413f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1413F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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