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 are part of a link farm designed to obscure the final destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware delivery through these links. The presence of a link to a compromised WordPress upload storage further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://texmet.pl/userimages/file/tajijuriwikuwok.pdf In PDF document text
- http://savalis.ru/userfiles/file/rasurizasapoxekatewa.pdfIn PDF document text
- https://e-midas.ro/files/file/58409520288.pdfIn PDF document text
- http://csim.jp/ckeditor/uploads/files/ledoke.pdfIn PDF document text
- http://ok-poland.com/userfiles/file/mipugawokidikarufinoxop.pdfIn PDF document text
- http://smartraoptics.com/fck_filemanager_upload/file/vomunafugikasagu.pdfIn PDF document text
- http://manvilastrust-org.bvirani.com/ckfinder/userfiles/files/rofabomajulofewuvibide.pdfIn PDF document text
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614ccd3c26780---69167183487.pdfIn PDF document text
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/161541a287f846---31033770299.pdfIn PDF document text
- https://timavoshipsupply.it/userfiles/file/69310535611.pdfIn PDF document text
- http://droneducational.com/admin/userfiles/file/fegokesifusowibajututifin.pdfIn PDF document text
- http://soundupgrade.nl/site/data/ws/files/98365463795.pdfIn PDF document text
- http://skontrolsengineering.com/file_media/file_image/file/73916014181.pdfIn PDF document text
- http://artdental.hu/editor_up/fupazegakitunalituvatuwop.pdfIn PDF document text
- https://legouic-peinture.fr/userfiles/file/foguwesagewipa.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b31291c834---88930217352.pdfIn PDF document text
- http://siamsnail.com/media/userfiles/files/23227838461.pdfIn PDF document text
- https://hrmconsulting.biz/upload/files/danibujusokerenopo.pdfIn PDF document text
- http://etkindenetim.com/resimler/files/41348976546.pdfIn PDF document text
- http://prime-standard.com/piceditor/file/89659879125.pdfIn PDF document text
- http://ecohort.com/userfiles/files/15542165272.pdfIn PDF document text
- http://spad.kr/userData/ebizro_board/file/navunuberofofuzewu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=gram+stain+negative+rodsPDF 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_off0000c137.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC137 | 10648 bytes |
SHA-256: ee46a569d86a6a0d81aee62da992fbcce883bb23bde4e1f0a7363788b80dc1e9 |
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font_01_sfnt_off0000d976.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD976 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f188.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF188 | 17000 bytes |
SHA-256: 2c36bb198fa24fe165a0e0c46d1e439d16a8f6e7671eeab673f09662d0abdda4 |
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