MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, further obscuring its true intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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://www.cbs-emballages.com/upload/file/fevumo.pdf In PDF document text
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/9avmsd4dft7ai7bb0ufq67k6tu/35542075081.pdfIn PDF document text
- https://cebubigsellers.com/userfiles/file/87466479930.pdfIn PDF document text
- http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16080bca1240b4---46714329098.pdfIn PDF document text
- http://casavacanzesanvito.eu/userfiles/files/bezazafiwonajanunuzibum.pdfIn PDF document text
- http://gourmethousemacau.com/UploadFilesfile///76060004267.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1607192923388d---26244132439.pdfIn PDF document text
- http://climtech.com/files/files/xekula.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160c863f75ce69---rekubivafililumafokib.pdfIn PDF document text
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a3ef692f15---73971124609.pdfIn PDF document text
- https://aftaplan.com/works/peepsparty/html/upload_files/file/36143739992.pdfIn PDF document text
- http://www.hkrns.org.hk/ckfinder/userfiles/files/79176981490.pdfIn PDF document text
- http://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/lalolitatunevemudeli.pdfIn PDF document text
- https://ratsimae.ee/media/contents/file/rogapewelipunef.pdfIn PDF document text
- https://sikanderajam.com/Robinson/ckfinder/userfiles/files/piroba.pdfIn PDF document text
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/56a60d2405c5131cd03dc23258d3aae5/pinilebabeviwod.pdfIn PDF document text
- http://healhumanity.foundation/userfiles/file/sexanalilikokevadanareb.pdfIn PDF document text
- http://amoy-art.com/Upload/file/wexedupibuwoti.pdfIn PDF document text
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/daaeb73dcb6ec594f6c440aac6b1022c/rabunirorumadusarukig.pdfIn PDF document text
- https://brigitte-farner.ch/userfiles/files/newuv.pdfIn PDF document text
- http://blissrenewbeauty.com/newerac2c/userfiles/file/niramasuvexa.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/25fe381687d2bcf55f888f1b2f002b27/rewiv.pdfIn PDF document text
- http://smwiarus.pl/ckfinder/userfiles/files/90801134201.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083496fda2e3---10368937267.pdfIn PDF document text
- https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160d1e3ebda7c1---58867550893.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160d4efedd4210---pevirunugas.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=reproduccion+de+plantas+acuaticas+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_off0000e193.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE193 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f9a5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9A5 | 20700 bytes |
SHA-256: c0a5ad3123582ea83005b5c0f7e4ee9c4e2eba657299ae0fb86a0db390716e17 |
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font_02_sfnt_off00012ee7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EE7 | 10756 bytes |
SHA-256: d8394da5c7147297d21a3000ecccc3760dabd0934088a7861584b62d3f663080 |
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