MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites and disposable hosting, suggesting it functions as a link farm to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' further supports this analysis.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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://webspace.mysdam.net/images/newsletter/files/kejew.pdf In PDF document text
- https://macauroommate.com/ckfinder/userfiles/files/jojewefasik.pdfIn PDF document text
- https://dynasty888.com/image/files/20210905_093040.pdfIn PDF document text
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16143149a368d2---56394642947.pdfIn PDF document text
- http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/5866363018.pdfIn PDF document text
- https://peisheng.org/uploads/ckfiles/files/6136f18cc688c.pdfIn PDF document text
- http://stowarzyszeniemalyksiaze.eu/img/upload/files/3775693011.pdfIn PDF document text
- http://balmybnb.com/t/tutorfirm/uploads/ck/files/50863292823.pdfIn PDF document text
- https://aslplastic.com/ckfinder/userfiles/files/godofobuzufe.pdfIn PDF document text
- https://otdelkamos.ru/wp-content/plugins/super-forms/uploads/php/files/b83fb403d53247ce137b7001c6112d62/merakiluwimesadejetezaw.pdfIn PDF document text
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/h07sp3jvgd75cid74t7q7tfuk6/velibaz.pdfIn PDF document text
- https://unibel.pl/pliki/upload/file/35081114669.pdfIn PDF document text
- http://metabolit-plus.ru/files/file/tifav.pdfIn PDF document text
- https://www.lokalesichtbarkeit.de/wp-content/plugins/super-forms/uploads/php/files/4adqnbduavsd872qu6d3igo23m/gekoruwujojo.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/84218852455.pdfIn PDF document text
- http://sieuthihatgiong.vn/webroot/img/files/41122838594.pdfIn PDF document text
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/ptit09r3uvn9ev9m72qthtbsb7/dibaka.pdfIn PDF document text
- http://owv-sad.de/userfiles/files/wamekojorujan.pdfIn PDF document text
- http://basketaci.cz/UserFiles/File/66054774872.pdfIn PDF document text
- http://pushgroup.lv/userfiles/files/84031843248.pdfIn PDF document text
- http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613773a25e790---61027504212.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/5264796190.pdfIn PDF document text
- http://www.southpointinstitutehowrah.com/admin/uploads/file/jidaputam.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=watch+cruella+online+free+putlockerPDF 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_off0000dbca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBCA | 10592 bytes |
SHA-256: 17a1c4782f306f0f5d12cffedee1a3197c02e13cc63e6a47602ac0ca82dba69f |
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font_01_sfnt_off0000f3ef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3EF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010c01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C01 | 18088 bytes |
SHA-256: d611aba0211dadf985a368b57f23a03682db6bcbecfdb3363270b15e82563aab |
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