MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF document contains a large number of embedded URLs, many of which point to other PDF files hosted on compromised websites or disposable domains. This behavior is characteristic of a link farm designed to distribute malicious content or facilitate phishing attacks. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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://eqonetech.com/upload/userfiles/files/11679383452.pdf In PDF document text
- https://tw-itemaos.com/ckfinder/userfiles/files/65497481423.pdfIn PDF document text
- http://zakuskymoser.cz/www/ckfinder/userfiles/files/88563415657.pdfIn PDF document text
- http://nakajima-ya.com/upload/save_image/files/46960464443.pdfIn PDF document text
- http://www.valaisconsulting.ch/file/57286641409.pdfIn PDF document text
- http://akpanlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/81341376131.pdfIn PDF document text
- http://promocode.lu/userfiles/files/kakoda.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/32e7165073dbafb70e6261cf9e7e0a17/kokapilivolese.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/wapivanu.pdfIn PDF document text
- https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/4ff52a555409f9f4e2c4d39bfe834349/lexatakunosabojerafefok.pdfIn PDF document text
- http://alacartedesign.de/userfiles/file/60741305756.pdfIn PDF document text
- http://alphasigmaoverseas.com/userfiles/file/gofuxidisip.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/161417759847e1---37959458413.pdfIn PDF document text
- http://tabletopad.com/images/file/vumoxavivegesomisu.pdfIn PDF document text
- http://kolesnikov.pro/ckfinder/userfiles/files/gidiniredagosigufatafa.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/1c3dhn44hap998bunv8hl9e391/xexunonetesidofifa.pdfIn PDF document text
- http://hodinovysoused.cz/upload/file/gubewuzado.pdfIn PDF document text
- http://moscow-vernisage.com/files/files/fevunimavizakinabiruketur.pdfIn PDF document text
- http://wsp.pl/userfiles/file/nijitapetatisulowev.pdfIn PDF document text
- http://wadsoda.com/UserFiles/File/xobebijawovisatelowob.pdfIn PDF document text
- http://etpatatietpatata.com/userfiles/files/98059772436.pdfIn PDF document text
- https://heritran.vn/uploads/news_file/6708880277.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=friv+games+papa%27s+freezeriaPDF 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_off0000da53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA53 | 21652 bytes |
SHA-256: 8569d328c5f11980f994838616c0639dfef1325af1987dbecbb7698887e194fb |
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font_01_sfnt_off000112c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112C1 | 10468 bytes |
SHA-256: bd95a3c9f9173206e7bf84d0e8fb5c1f05056912289d1ede025c81e4bafe95e4 |
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font_02_sfnt_off00012aa3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AA3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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