MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the nature of the heuristics strongly indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://www.fonfe.com/uploads/files/78597413384.pdf In PDF document text
- http://u15.ch/ckfinder/userfiles/files/7393479871.pdfIn PDF document text
- https://micsys.in/userfiles/file/sokobukaji.pdfIn PDF document text
- https://tanthuantelecom.com/upload/fck/file/dodovejofiwubokivogubika.pdfIn PDF document text
- https://zakarpattya-tour.com/upload/67677677565.pdfIn PDF document text
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0f853276f9---92991645703.pdfIn PDF document text
- https://elminhaj.org/userfiles/file/78092539333.pdfIn PDF document text
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/36a934f9f353930bcd639458f0a0fd38/riduvokikutujudagake.pdfIn PDF document text
- https://www.etbsupplies.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089052e1a9b0---wezufipeledolofisenik.pdfIn PDF document text
- http://audiomaster.se/wp-content/plugins/formcraft/file-upload/server/content/files/1607aa83c84232---2045191461.pdfIn PDF document text
- http://mikomisushi.com/uploads/files/84170085930.pdfIn PDF document text
- https://mingyi-lock.com/data/file/userfiles/files/2938412363.pdfIn PDF document text
- https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/ckq8cj8nv6v2qnne1b1blfhfpt/20902189846.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/2lmchkjtovnhtaika1a67ghhnj/pitorubatosudupe.pdfIn PDF document text
- https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/lb1ujekinl4bjnth8q4vlsamoj/damemamiwexabutejuxipa.pdfIn PDF document text
- https://homeuu.biz/upload/ckeditor/pages//files/80998209738.pdfIn PDF document text
- http://hersheyhigh1981.com/clients/37302/File/xunuzebananazabemabov.pdfIn PDF document text
- http://www.elstar.ru/uploads/files/1103446447.pdfIn PDF document text
- http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160f2040c52f00---nujatelepipudekapig.pdfIn PDF document text
- https://yildizwebpaket.com/calisma2/files/uploads/zugalowivupepekifiliwena.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/01jgglpm28qtflso0k7vbkcls8/xuzelarejaram.pdfIn PDF document text
- https://www.fangjin.org/ckfinder/userfiles/files/79752119820.pdfIn PDF document text
- http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cfe6b12a43---fofotisewijutawubigapi.pdfIn PDF document text
- http://ourconn.com/userfiles/file/202109071106165613.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe34098fb0---begulorarukuraboko.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=transplantation+of+human+organs+rules+1995+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_off0000ec70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC70 | 11364 bytes |
SHA-256: cd01b5f1d23ab38c73145da3eaaebb9cd568aef974c542e486356ef4521f68c6 |
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font_01_sfnt_off000106da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011eec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11EEC | 17996 bytes |
SHA-256: 0f03f1772f037e1c3e73997f3c2b7db327445711e06164f3751750a0a4b0c5ca |
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