MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised WordPress sites that host further PDF files, likely as part of a phishing or malware distribution campaign. The presence of numerous external URIs and compromised CMS upload links strongly suggests an attempt to lure users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9908
Heuristics 6
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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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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://www.erenang.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab40dd985d---3506081410.pdf In PDF document text
- https://aksukartela.com/images_upload/files/didafoxeborozukakex.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abf889c7920---30454047731.pdfIn PDF document text
- http://mudrberanova.cz/userfiles/file/49086490562.pdfIn PDF document text
- https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/fbee760fcfff0ec82ce2edf537ad3e71/88917861876.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/30e73f749554740b54c4819588862ec7/53856449812.pdfIn PDF document text
- https://service-panev.com/userfiles/jofozupezeburozupaluwajit.pdfIn PDF document text
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077609b94267---fugunowag.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/1276481a92f158e4b0d49952231798a5/85011351049.pdfIn PDF document text
- http://h-st.nl/bestanden/files/8192628022.pdfIn PDF document text
- http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9d61915a5d---xuvovexefusibejaremel.pdfIn PDF document text
- https://www.focus.mu/wp-content/plugins/super-forms/uploads/php/files/0ef6d0dd78c72f99c42cf8a01f84cfc4/domeraxekew.pdfIn PDF document text
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a50b44c551b---pidemiparafito.pdfIn PDF document text
- https://kaemsp.org/upload/editor/file/bepizujisakesazobipivumap.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c55ecb692---zuwixefe.pdfIn PDF document text
- http://tamilannuaire.com/var/www/vhosts/vps296430.ovh.net/tamilannuaire.com/images/file/novibupedalu.pdfIn PDF document text
- http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160705b636a15c---70089297529.pdfIn PDF document text
- https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/2273a94b49693deeeb864fface38b097/lepozixadoxuvedamide.pdfIn PDF document text
- http://hilimall.ae/uploads/files/nuzazadadineletakod.pdfIn PDF document text
- http://airconbank.com/upload/fckeditor/file/45333893568.pdfIn PDF document text
- http://ibb-online.ru/f/file/zakemebitojigejexivef.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607519761478a---76004716886.pdfIn PDF document text
- http://drivingschool-brno.eu/files/kuwumevimavuzo.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607271a3abc84---zudusex.pdfIn PDF document text
- https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608792f8b5ba2---88310232831.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16228268014015.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=sp+blends+worksheets+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_off0000cb9f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB9F | 18052 bytes |
SHA-256: 31eaf18f63d12febf1ba7908f7cfe76bc7ff33088cbdb0da71198fda1bb7b477 |
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font_01_sfnt_off0000f85c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF85C | 10732 bytes |
SHA-256: 01a22091fa8ff469636ea9b2aad0ad5d4c2c3f9d1bb8206d80acf6c28d4fd5a2 |
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font_02_sfnt_off000110cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110CB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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