MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm pointing to compromised CMS uploads and disposable hosting, suggesting a phishing or malware distribution scheme. Although no scripts were extracted, the structure and URL patterns are consistent with attempts to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
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://kamkmori.cz/ckfinder/userfiles/files/zixunezuroj.pdf In PDF document text
- https://qian-ho.com/upfiles/editor/files/50029349749.pdfIn PDF document text
- http://sosonomo.com/ckfinder/userfiles/files/95483751785.pdfIn PDF document text
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092d5e410b41---sobimatemumivuwebajoxax.pdfIn PDF document text
- http://lubrifianti-auto.ro/files/file/zosojeludigijifuvo.pdfIn PDF document text
- http://apluskleaning.com/admin/images/file/vifilafawufolijolawek.pdfIn PDF document text
- http://carmakers.cz/userfiles/files/47248844045.pdfIn PDF document text
- http://hzdsbg.com/uploadfile/1625206615.pdfIn PDF document text
- https://kompaspt1.com/contents//files/memegadofotakonimexa.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/popasenazavak.pdfIn PDF document text
- http://ankurgroups.com/userfiles/file/98375397390.pdfIn PDF document text
- https://panegovernance.com/ourprojects/chowki/UserFiles/file/59292223581.pdfIn PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e41a4337df---99502704267.pdfIn PDF document text
- https://ludifrance.fr/userfiles/file/nifukixo.pdfIn PDF document text
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608413f10fec5---zatupimiforudanewozejem.pdfIn PDF document text
- https://natyabio.com/uploadfiles/rigifumejifobisezo.pdfIn PDF document text
- https://manuscripthandler.com/userfiles/file/33081142288.pdfIn PDF document text
- https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1606f3dec54369---dipax.pdfIn PDF document text
- https://uniqrelation.com/userfiles/file/xinore.pdfIn PDF document text
- http://backupcenters.com/userfiles/file/45080256648.pdfIn PDF document text
- http://ksklinika.ru/ckfinder/userfiles/files/49131685315.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=ccc+previous+year+question+paper+pdfPDF 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_off0000d9fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9FE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f210.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF210 | 17472 bytes |
SHA-256: 4fce72424bd74b0ca14fd271fd550431593d6fef157be564cb1435e61250202d |
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font_02_sfnt_off00011fb0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FB0 | 11024 bytes |
SHA-256: 6fd629b8777f90aada9350b1eee53ba752e2be4792283c436a3237514b2f8bef |
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