MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains a link farm designed to redirect users to various websites, many of which are hosted on compromised CMS platforms. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and the presence of numerous unknown URLs suggest a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/q8jqo9jifjg8nbl01otikup5g4/85460319522.pdf In PDF document text
- http://www.alexgis.com/siteuploads/editorimg/file/41677249519.pdfIn PDF document text
- https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/8ff9971c07795285ca8c1381babf61fa/laxabore.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/motazorijejasi.pdfIn PDF document text
- https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160ae6595b5e4e---93580836877.pdfIn PDF document text
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/036e22d69b4fb145dc0c5b5e10c18f9f/91948231245.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d4f93b694---gixedisawupifobaxojivu.pdfIn PDF document text
- http://whatdwellswithin.com/file/74714955067.pdfIn PDF document text
- https://blsautomation.com/ckfinder/userfiles/files/fesikam.pdfIn PDF document text
- http://kibbkw.com/uploads/file/fajifuwipajabalaw.pdfIn PDF document text
- http://americasbestmanassas.com/uploads/files/wejoxuparowisanosarapu.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b6986569f67---lopemiwanuvexi.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/paki9ae0ahegg1u0u1u9lqn2s0/rifikifomigijilinetofozup.pdfIn PDF document text
- https://vashadvokat82.ru/wp-content/plugins/super-forms/uploads/php/files/96b201fa7920cb16feba1da2ca3bcdb9/7613307815.pdfIn PDF document text
- http://xn--aknmedcal-wpbe.com/uploads/file/gatanawimetix.pdfIn PDF document text
- http://amfmeg.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d9875694e17---42261054676.pdfIn PDF document text
- https://www.entornopublicitario.com/wp-content/plugins/super-forms/uploads/php/files/c970e2db2d98333c3ec0a7f6e6ad159d/19465817756.pdfIn PDF document text
- https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b99ebe53933---11212257125.pdfIn PDF document text
- http://fitviewer.biz/files/file/wojijexe.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/tbqee83eqqb5m9ukf02j6tdtev/52344017768.pdfIn PDF document text
- http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609049779055b---kuxasasojigutaparine.pdfIn PDF document text
- http://www.buildingmalawi.com/images/uploaded/documents/gupasulidusevogiromoza.pdfIn PDF document text
- http://orosweb.hu/ckfinder/userfiles/files/xemejivami.pdfIn PDF document text
- http://rickgrisolia.com/userfiles/files/25582009218.pdfIn PDF document text
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/7a68a7433f62509f7997ba3e6525dbd8/95241864527.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=fast+and+furious+7+movie+free+download+in+tamilPDF 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_off0000f2f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F2 | 17256 bytes |
SHA-256: fb3128feddcbd0c1455b0b4e1044dce9ff1328a0ff08701d6f01fa4f70e7eaaa |
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font_01_sfnt_off00011ff2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FF2 | 10792 bytes |
SHA-256: 36561f5aa8bb91613ff55d26efb28c463b8ddfdeb8770e10c79ac056e2ccd483 |
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font_02_sfnt_off000138e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138E8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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