MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple potentially compromised or malicious websites. The presence of numerous external URIs and the 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristic strongly suggest an attempt to distribute malware or conduct phishing operations.
Machine Learning
- Nyx PDF Classifier malicious score 0.9915
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://bmcnx.com/userfiles/file/1276636820.pdf In PDF document text
- https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/16133ec71d0e9f---tixusazuzulevam.pdfIn PDF document text
- http://think6.net/ckfinder/userfiles/files/20210907181139.pdfIn PDF document text
- http://debandhelder.nl/ckfinder/userfiles/files/48455703427.pdfIn PDF document text
- http://speckrepeg.by/UserFiles/files/xigezidepuwexo.pdfIn PDF document text
- https://nisahanpin.com/calisma2/files/uploads/wewikalibizenip.pdfIn PDF document text
- http://splhardware.com/UploadFile/file/2021090515124973499.pdfIn PDF document text
- https://cytokin.ca/upload/editor/file/91866530412.pdfIn PDF document text
- http://peoplefineart.com/assets/202109/files/20210909112554968950.pdfIn PDF document text
- http://aasghsflqsae.handylover.com/upload/files/nerenimovi.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16144c177a67cf---zevazijiv.pdfIn PDF document text
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/kakijabepubozilenaduxotu.pdfIn PDF document text
- https://jyapa.com/jhuoyue/uploadfiles/buzakajafame.pdfIn PDF document text
- http://hp-cnc.de/uploads/files/gizusugezopadute.pdfIn PDF document text
- http://www.armstrongre.com/files/files/51511422529.pdfIn PDF document text
- https://shriramsteels.in/public/ckfinder/userfiles/files/56106669893.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/2a0846f8319c17c2de2a94eec629b45c/11416426083.pdfIn PDF document text
- http://oilmachineydy.com/d/files/5696153584.pdfIn PDF document text
- http://tgtech-auto.com/userfiles/file/38404038216.pdfIn PDF document text
- http://ordineveterinarireggioemilia.it/userfiles/files/79649008367.pdfIn PDF document text
- http://kmjmt.com/news/upload/file/2109152012252260564b0nuu.pdfIn PDF document text
- http://snap-drone.com/userfiles/file/fexoxaxuge.pdfIn PDF document text
- http://daiduongmetal.com/uploads/ckfinder/files/23370707397.pdfIn PDF document text
- https://t-groupvnxkld.com/uploads/news_file/62519958835.pdfIn PDF document text
- https://basisnomor.com/contents/files/nitidaf.pdfIn PDF document text
- http://suliaok.com/v15/Upload/file/202195197148858.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=super+singh+full+movie+hd+punjabi+downloadPDF 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_off0000b786.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB786 | 16608 bytes |
SHA-256: b303f6fdc86425d19e2338341abd760f2381729cc2173a9c7a45bde32ce80ca9 |
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font_01_sfnt_off0000e202.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE202 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fa19.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA19 | 11444 bytes |
SHA-256: 0e617665f3056d9fda66e0522176dada8222144012f152af1f71f1281a21c61c |
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