MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://irlanc.ru/uplcv?utm_term=kawasaki+vulcan+1700+classic+manual PDF link annotation
- https://manajrgvaaradhi.com/cms-uploads/files/zenuxido.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086fe498c926---farigabuwonemibo.pdfIn PDF document text
- https://hahapediatric.com/uploads/files/202108302046313509.pdfIn PDF document text
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/379fd044160bb0a2d3a21d136474c27e/lixulopirififatuvedazewo.pdfIn PDF document text
- https://lionkingbali.com/uploads/file/xulurasanujowesak.pdfIn PDF document text
- http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071c339e2598---65655488350.pdfIn PDF document text
- http://resumesfromabove.com/userfiles/file/75797525552.pdfIn PDF document text
- https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/a4758a590e7b2d3a0ac2ac3e72a995b2/86167089558.pdfIn PDF document text
- http://eltprof.ru/userfiles/file/25650489996.pdfIn PDF document text
- http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/82434128436.pdfIn PDF document text
- http://magendans.com/imagefiles/file/44183590577.pdfIn PDF document text
- http://nuestratierrapremios.com/campannas/file/2813932700.pdfIn PDF document text
- http://bannermaul.com/userData/board/file/ledabukizaderinon.pdfIn PDF document text
- http://shssailors1969.com/clients/3/36/366f78b21138e0f8005dfe6cc5e09e30/File/2354081131.pdfIn PDF document text
- https://tyko.pl/userfiles/file/26273765629.pdfIn PDF document text
- http://tele-klass.ru/i/upload/files/biwejatewegefosivune.pdfIn PDF document text
- http://www.injamal.es/nueva/ckfinder/userfiles/files/susekofalibu.pdfIn PDF document text
- http://progettocecinacuore.it/writable/public/userfiles/file/93378691812.pdfIn PDF document text
- https://invest.pl/userfiles/file/4463003873.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_off0000e404.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE404 | 17748 bytes |
SHA-256: 54a28315ec20468419d8345497c9cc2174f357757031aa9c61fd36813e2c774d |
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font_01_sfnt_off0001127c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1127C | 10500 bytes |
SHA-256: 8ace2b4b5555753a17145ab1eabf90e8b2aa1637c96926dccc5a8f3c53a13dec |
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font_02_sfnt_off00012a78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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