MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lure users to potentially malicious destinations. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://eko-inwest.eu/upload/file/nixaxoburimuvevimem.pdf In PDF document text
- http://greenmodels.ru/uploads/files/98578781394.pdfIn PDF document text
- http://aotwresort.net/ckfinder/userfiles/files/fegivi.pdfIn PDF document text
- http://autosoftware.company/autoresponders_images/files/kebijugojevi.pdfIn PDF document text
- https://grupo-bahia-real-estate.com/ckfinder/userfiles/files/zugagapejasofo.pdfIn PDF document text
- http://vitalbafitnessclub.eu/userfiles/files/ximetigidudekesenam.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/bc4970abe4a6941d567608797bb48a82/fadapusiduf.pdfIn PDF document text
- http://dhf-china.com/d/files/62029162782.pdfIn PDF document text
- https://cribpointonline.org/cribpointonline/userimages/file/48311570304.pdfIn PDF document text
- http://wib24-admin.de/uploads/file/nixifixixiwadilulowewixe.pdfIn PDF document text
- http://grandwatergatehotel.com/upfile_hotel/files/51267047619.pdfIn PDF document text
- https://securitydm.net/slicice/file/zobezitupu.pdfIn PDF document text
- https://alarouba.com/ckfinder/userfiles/files/zapavokawina.pdfIn PDF document text
- http://gibisch.org/files/files/zazexodulaxakifopi.pdfIn PDF document text
- https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/86893e61e5cb72cbd32cd5c141c8f689/68678559824.pdfIn PDF document text
- http://123flower.doweb.kr/upload/files/pifute.pdfIn PDF document text
- https://mkserwis.pl/userfiles/file/76041110398.pdfIn PDF document text
- http://podwierzba.eu/ckfinder/userfiles/files/41494441656.pdfIn PDF document text
- http://druckmaschinenservice.com/uploads/fce/files/zijofarud.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/3d20a6c417ffd726c5c3b0b0052ad89e/79850073118.pdfIn PDF document text
- http://eastcoastbiker.de/sites/default/files/file/69516794856.pdfIn PDF document text
- https://art-gallery.mn/uploads/files/warazim.pdfIn PDF document text
- http://xenangheli.vn/public/files/dugogotunadenovu.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=gulper+io+online+gamePDF 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_off0000ad35.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAD35 | 10468 bytes |
SHA-256: 3b9d6882487fd009d57b72314e800cfc98ee6eab312f3bef56330288fb451274 |
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font_01_sfnt_off0000c4e3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC4E3 | 14992 bytes |
SHA-256: 6bc1da80bbd50624daa305421a37f50ccfd69ef274c7821a391758107fee7d76 |
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font_02_sfnt_off0000ea6c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA6C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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