MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection and an ML classifier, indicating malicious intent. It contains numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is unreadable, but the presence of these links strongly implies a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://hiroshima-teishaku.com/userfiles/file/fulad.pdf In PDF document text
- https://aadhaarretail.com/administrator/imagetemp/file/7971292370.pdfIn PDF document text
- http://mexvp.com/ckfinder/userfiles/files/90064773818.pdfIn PDF document text
- http://abwingsva.com/uploads/files/bamulefefepofosinigoladal.pdfIn PDF document text
- http://superbarter.sk/media/file/22866129655.pdfIn PDF document text
- http://caythuocdangian.net/images/files/85206873783.pdfIn PDF document text
- http://nzozkrowodrza.pl/uploads/editor/file/zobadojapiruti.pdfIn PDF document text
- http://jamalcar.com/userfiles/file/77965744751.pdfIn PDF document text
- http://anabakorea.jp/userfiles/file/kesesapop.pdfIn PDF document text
- http://tindangnhadat.vn/upload/files/begelulipineremeku.pdfIn PDF document text
- http://jr.ac.th/ckfinder/userfiles/files/13247675407.pdfIn PDF document text
- http://rothemtour.com/FileData/ckfinder/files/20210908_EE51CC96F1826CE9.pdfIn PDF document text
- https://neoville.ru/wp-content/plugins/super-forms/uploads/php/files/f4899870d01e628f184487faa66509d9/50101253709.pdfIn PDF document text
- http://srub-servis.ru/userfiles/file/50644187663.pdfIn PDF document text
- http://sola-brothers.com/userfiles/file/fizoxepoxese.pdfIn PDF document text
- http://traiteurluc.com/userfiles/file/kexokirusikivisev.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/50800124479.pdfIn PDF document text
- http://www.videobezopasnost.ru/ckfinder/userfiles/files/97539390515.pdfIn PDF document text
- https://deycaterers.com/ckfinder/userfiles/files/42445018826.pdfIn PDF document text
- https://rijst.nu/userfiles/file/dalagow.pdfIn PDF document text
- https://parquesanalbertohurtado.cl/ckfinder/userfiles/files/dadepevafugodofit.pdfIn PDF document text
- http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16136a1cf688db---vikixibedap.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/161379012dc0e7---3789375046.pdfIn PDF document text
- http://deshdunya.com/blogimage/file/73082051136.pdfIn PDF document text
- https://psystat.net/candyticket/uploads/page_images/files/22076922970.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=what+to+do+when+storage+space+running+out+on+androidPDF 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_off0000e041.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE041 | 10928 bytes |
SHA-256: b1c5da2fe73517811f8ac710407c91cb84ed1845a41df3542ecbd1b92e1addd3 |
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font_01_sfnt_off0000f95e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF95E | 18612 bytes |
SHA-256: f5de849931ba25ff9e5185bfb658e3d2a061e0695b5e2935c5a7e409f9e34a59 |
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font_02_sfnt_off00012a0c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A0C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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