MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file is identified as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised CMS uploads and disposable hosting, suggesting a link farm designed to lure users to malicious content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, providing no direct user-facing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://topoint.cc/userfiles/fckFile/20210812073507.pdf In PDF document text
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c7a3e744ea---71722612454.pdfIn PDF document text
- https://semagro-msw.ru/pics/images/file/92273610449.pdfIn PDF document text
- https://www.nexidia.it/wp-content/plugins/super-forms/uploads/php/files/74a2c72d5fe1d85353617baa1a963d14/59718760224.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160813499de6b8---sivarivemamilijuwemakuga.pdfIn PDF document text
- https://www.dazzlingdecor.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16086ebeb1b0e5---27332091502.pdfIn PDF document text
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c63c6c6bb7f---fagefurajomutufudivepeki.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/4ff3b8acfa7ba13c9c524ca503ee976e/81286352933.pdfIn PDF document text
- http://52fotki.ru/ckfinder/userfiles/files/xedavi.pdfIn PDF document text
- http://apexibd.com/uploads/fck_uploads/file/78006642954.pdfIn PDF document text
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/hli3diqvhhfeb8jo086mrg0vr7/593157107.pdfIn PDF document text
- http://windowsplusllc.com/ckfinder/userfiles/files/11687616054.pdfIn PDF document text
- http://novussiteyonetimi.com/uploads/file/22491704874.pdfIn PDF document text
- http://zubrcup.by/files/files/lelagimetokotegizu.pdfIn PDF document text
- https://marwaautorepair.com/nbloom/fckuploads/file/46896707459.pdfIn PDF document text
- http://nietegeleuve.nl/cms/files/tudivolakerimipefawedogu.pdfIn PDF document text
- http://www.instalacionescueto.com/nueva/ckfinder/userfiles/files/negelosevowuvezi.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16079d59c144d3---4140483723.pdfIn PDF document text
- http://ellenia3.eu/userfiles/files/27104074436.pdfIn PDF document text
- https://curryleafharleysvillepa.com/hang/userfiles/files/dofuros.pdfIn PDF document text
- http://streetnn.ru/data/upload/ck/files/fexizevaxukalufajemot.pdfIn PDF document text
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bfbf39e0752---43494214846.pdfIn PDF document text
- http://loveperfectionschool.com/upload/file/fojejinumetulofokukobar.pdfIn PDF document text
- http://nemdanangpho.com/uploads/2021-06-17/images/files/85165134020.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=punnett+square+worksheet+gcsePDF link annotation
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/ece2373225bd1c89fd66c86c87251a26/nafinejexes.pdfIn PDF document text
- 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_off0000bc46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC46 | 10796 bytes |
SHA-256: 13599cb5e0c58b603255d7bc0d1178c53893d21df3871fcc6abd476f4138c94e |
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font_01_sfnt_off0000d4ee.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4EE | 15240 bytes |
SHA-256: 032002e12f3dc393d22b359893c159e44e9aeef134082a622375420fee910766 |
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font_02_sfnt_off0000fb8c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB8C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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