MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a phishing or malware distribution scheme. The PDF structure and embedded links are consistent with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://thailonghoang.vn/upload/files/97839178827.pdf In PDF document text
- https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/16150453cbcb6d---29124163107.pdfIn PDF document text
- https://muzeumkonstancina.pl/attachments/file/45377710477.pdfIn PDF document text
- https://lodoshosting.com/calisma2/files/uploads/wokomo.pdfIn PDF document text
- https://almentispharma.com/ckfinder/userfiles/files/nutozononedod.pdfIn PDF document text
- http://intranet.uts.edu.co/portal/app/ckfinder/userfiles/files/52282295232.pdfIn PDF document text
- https://szabobuszberles.hu/files/files/22297077690.pdfIn PDF document text
- https://lombardpruszkow.pl/local/userfiles/file/99087305185.pdfIn PDF document text
- http://vekosgroup.ru/userfiles/file/mutitomevidajogoxijikulav.pdfIn PDF document text
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/4a2f5f6ea4d07cb6b2d32f7b37450455/9866338240.pdfIn PDF document text
- https://mkycc4.com/kycc4.com/userfiles/files/902697073.pdfIn PDF document text
- http://naturalmis.com/userfiles/file/gowiruvuw.pdfIn PDF document text
- https://bikeid.net/ckfinder/userfiles/files/98453743578.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/73de51a3538f4c167a5a7b5bdf96e1e3/13254515974.pdfIn PDF document text
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/dnbblk12nhabdusiulhfqcb481/bufuf.pdfIn PDF document text
- http://kelt.pl/userfiles/file/bolexopureka.pdfIn PDF document text
- http://hichipper.com/hichipper/uploadfile/file/2021092721143773499.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/6201907168.pdfIn PDF document text
- http://e-skala.pl/userfiles/file/xinakonuzozititis.pdfIn PDF document text
- http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161442f9c91909---8116456012.pdfIn PDF document text
- https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/d27db5dpfp8jj84pge2damp6ph/nelefik.pdfIn PDF document text
- https://kit-veron.my/ckfinder/userfiles/files/77951841011.pdfIn PDF document text
- http://yuli-china.ru/d/files/duviwenez.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16151068fce4b5---wafak.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=mod+apk+csr+racing+2PDF 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_off0000b31e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB31E | 14844 bytes |
SHA-256: a284d0466aa954a37e2ffae2262a69cfab4deb116d6373bbb5254d6b336820e0 |
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font_01_sfnt_off0000d820.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD820 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f037.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF037 | 10616 bytes |
SHA-256: fb6ca38c9cb98384edbc996ec9a8f34abd8f7bf01283145764a0119495584839 |
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