MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which point to potentially compromised CMS uploads or disposable hosting, suggesting a link farm designed to distribute further malicious content or manipulate search engine results. No scripts were extracted, but the presence of numerous external links indicates a phishing or content distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://kondicionery-dolgoprudny.ru/upload_picture/file/81962176382.pdf In PDF document text
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b23470887b4---85352142786.pdfIn PDF document text
- http://velo.hu/UserFiles//file/mazuwadizobegulipigavif.pdfIn PDF document text
- http://brmhn.com/userfiles/file/20210626144457_houp4p.pdfIn PDF document text
- http://goozzl.com/userfiles/files/95496696611.pdfIn PDF document text
- http://test888.org/uploads/productsfiles/20210708080344_987eb.pdfIn PDF document text
- https://aczv.fr/userfiles/file/xegowevutiwug.pdfIn PDF document text
- http://gwhs79.com/clients/867100/File/filaranadozowuvo.pdfIn PDF document text
- http://hotelniagararimini.eu/userfiles/files/83710820491.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160824601990c7---duzog.pdfIn PDF document text
- http://www.salpasafarit.fi/tiedostot/files/40403863671.pdfIn PDF document text
- http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc873d03f1---56537136524.pdfIn PDF document text
- https://angkalaris.com/contents//files/59259506381.pdfIn PDF document text
- http://www.theflightfest.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082cfd41b144---88360749844.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/gsbo4mrv7ir2sf99oueh39d6t7/67394322867.pdfIn PDF document text
- http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607927154fc60---8667106846.pdfIn PDF document text
- https://vibangthuaphatlai.net/uploads/files/juxaxixamobibofesi.pdfIn PDF document text
- https://carsen.sk/editor_uploads/system/files/todupos.pdfIn PDF document text
- https://daleel.global/wp-content/plugins/super-forms/uploads/php/files/am9qcr7eokk6gfuev16ah76fvo/zavaxezimaj.pdfIn PDF document text
- https://bouwservicewinthagen.nl/userfiles/image/file/89096158288.pdfIn PDF document text
- https://elesud.it/img_pagine/file/46177687703.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/jenad.pdfIn PDF document text
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/j3ntv4q2c64u8vfbjshggibf3q/fuzozosudatabivomakitebe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=aseptic+techniques+in+tissue+culture+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_off0000c7d0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7D0 | 10660 bytes |
SHA-256: 63d5e910508a2f48a634620d63bfe88a94d2fcd5ea00b9c1f611c78d642b1312 |
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font_01_sfnt_off0000dff0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFF0 | 17936 bytes |
SHA-256: 4c93cfc41b5089bd6a1d0ba008bd90c7c9a8890bcf96be6846b8af942e686d4e |
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font_02_sfnt_off00010e2f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E2F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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