MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Numerous embedded URLs point to various websites, many of which appear to be compromised or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://texinpack.com/uploadfile/file///2021090111255251.pdf In PDF document text
- https://lawweb.info/mycms/admin/userfiles/file/52589442520.pdfIn PDF document text
- http://sadiqandsons.com/userfiles/files/rolodaragir.pdfIn PDF document text
- http://rovitek.com/userfiles/file/wudewufuz.pdfIn PDF document text
- http://school19-zav.ru/userfiles/file/lebuzebitedowefufererula.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613140cce1b64---zujanurozawaxa.pdfIn PDF document text
- https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/4ef04fc9029979e449eedb017aa5bd0f/vusepinujafovawom.pdfIn PDF document text
- http://npi-management.org/ressource/site-image/files/28620638312.pdfIn PDF document text
- https://happycondo.leaddeehub.com/userfiles/files/8447319665.pdfIn PDF document text
- http://mtsp.by/userfiles/files/59796771945.pdfIn PDF document text
- http://cosmik-kinoteatr.ru/sadm_files/getok.pdfIn PDF document text
- https://tsolisp.com/files/file/kolazewozewugulag.pdfIn PDF document text
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/8cfcbf52d59de9a38426f2b7f6cb21a5/58229684996.pdfIn PDF document text
- https://stmpallet.com/ckfinder/userfiles/files/98228104273.pdfIn PDF document text
- https://3rproject.eu/ckfinder/userfiles/files/5178809763.pdfIn PDF document text
- https://www.mtiwelding.co.uk/admin/ckfinder/userfiles/files/burulirubewoloremesaso.pdfIn PDF document text
- http://baaningdoi.com/file_media/file_image/file/lefutira.pdfIn PDF document text
- http://avvocato-callegaro.it/public/file/7831472577.pdfIn PDF document text
- http://ieeepes-thailand.org/app/webroot/files/files/solefegez.pdfIn PDF document text
- http://bio-scan.com/userfiles/file/77753046435.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/ba4ce4ad44d1ec88400046e6d6525a0e/71337833782.pdfIn PDF document text
- https://medicentrumnz.eu/medicentrum/files/file/vamuxataduranuj.pdfIn PDF document text
- http://purepoem.com/resource/docContentImg/file/2021-09-10/1bfd0eda07a9558d0ccbe66e921b316d.pdfIn PDF document text
- http://etenindex.nl/images/uploads/febemadexu.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=watch+aladdin+2019+freePDF 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_off0000c284.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC284 | 17636 bytes |
SHA-256: 59fa2cd84acbe157a9669f820773ab5503b76c377cac9b9a13bd55244971610f |
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font_01_sfnt_off0000eff4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF4 | 10740 bytes |
SHA-256: 7207d7aa3812e0eed4dc7c8a9536faa5982da7ef1dd542b36e1e4c8f3d1f6062 |
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font_02_sfnt_off000108bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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