MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links, many pointing to compromised WordPress sites, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of external URIs and the nature of the detected malware indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://montpellier-businessplan.eu/mbp/upload/images/images/upload/ckfinder/tesezux.pdf In PDF document text
- http://kondicionery-himki.ru/upload_picture/file/9898968408.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/rizewiweduzema.pdfIn PDF document text
- https://www.borzabadi.com/ckfinder/userfiles/files/jusilasorevuwe.pdfIn PDF document text
- https://eccdc.org/application/webroot/userfiles/file/38701597470.pdfIn PDF document text
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161330e79f21b9---wisevapemu.pdfIn PDF document text
- https://mexico-airport-transfers.com/ckfinder/userfiles/files/wemodelaxatikerenelig.pdfIn PDF document text
- http://afro-safari.com/upload/files/voruf.pdfIn PDF document text
- http://sichera.eu/userfiles/files/78726715633.pdfIn PDF document text
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/161328b12ba554---99813135218.pdfIn PDF document text
- http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/4679492719.pdfIn PDF document text
- http://honyi.tw/ckfinder/userfiles/file/kilugenapunobojafi.pdfIn PDF document text
- https://nhahangthanghuong.com/uploads/files/pojawusozalaviga.pdfIn PDF document text
- http://cokhiminhhien.com/media/ftp/file/46280384159.pdfIn PDF document text
- http://ats-dz.com/userfiles/file/38282962859.pdfIn PDF document text
- http://madonnina.info/userfiles/files/26042621789.pdfIn PDF document text
- https://sahodayabbsr.com/test/fckeditor/file/jixazotosabaxakigox.pdfIn PDF document text
- https://gifarlcm.com/upfiles/editor/files/24596424275.pdfIn PDF document text
- https://magicdiscoradio.hu/userfiles/file/kozuzitidozezibaxude.pdfIn PDF document text
- https://www.cir.cloud/wp-content/plugins/formcraft/file-upload/server/content/files/1613bfc8e7d096---rawitukafe.pdfIn PDF document text
- https://gazeta-msp.pl/user_files/File/89229502065.pdfIn PDF document text
- http://eluvial.com/sites/all/sites/eluvial.com/files/44870913078.pdfIn PDF document text
- http://www.zywawiara.pl/pliki/nutul.pdfIn PDF document text
- http://spakimthi.com/upload/files/2732617643.pdfIn PDF document text
- http://immobilieninvestors.com/userfiles/file/33151921758.pdfIn PDF document text
- http://3dprofi.net/images/uploads/file/45728821188.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=printing+press+read+write+thinkPDF 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 |
|---|---|---|---|
stream_004_off00010b3f.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x10B3F | 10684 bytes |
SHA-256: 7f0b2b1afbaf41bb6368af934bda5e020cba6c42328cb9658b4ac293aa45f6bd |
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font_00_sfnt_off0000c7da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC7DA | 16864 bytes |
SHA-256: fb1f7e795c8db3df6dac2e111821b6fde7613fb67ad1fe2aede890843db12634 |
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font_01_sfnt_off0000f328.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF328 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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