MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and multiple external URIs, many of which point to compromised CMS upload directories or disposable hosting, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or distributing further malware via the linked PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://ripedesign.com/app/webroot/files/fckeditor/file/88803480641.pdf In PDF document text
- http://mevlanaasm.com/resimler/files/sajixedividabe.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131bb781aa89---98986621154.pdfIn PDF document text
- https://jmcoverseaspvtltd.com/uploads/files/86930706342.pdfIn PDF document text
- http://musclecar-taps.com/js/upload/files/90107202819.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1614f3dae27bb1---27768312777.pdfIn PDF document text
- https://mygoaltv.org/ipp/images/uploads/files/88267336669.pdfIn PDF document text
- http://grupafurman.pl/!mag2011/userfiles/file/rubobavazoded.pdfIn PDF document text
- http://elma1.ru/!upload/files/24641147562.pdfIn PDF document text
- http://londonjip.com/userData/board/file/14422724849.pdfIn PDF document text
- http://hyunshin.net/userfiles/file/3937698409.pdfIn PDF document text
- https://sergeca.com.ve/ckfinder/userfiles/files/93091222954.pdfIn PDF document text
- https://birutelorasin.com/contents/files/8164922048.pdfIn PDF document text
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161538dec61fd3---50111600030.pdfIn PDF document text
- http://naturenhuman.com/app/webroot/userfiles/file/wexilovowuxizevos.pdfIn PDF document text
- https://tannhatviet.vn/upload/files/xopeluw.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1614b79f0488ab---rudavogasowuvuzetejepitej.pdfIn PDF document text
- http://przedszkolenisko.pl/userfiles/file/susixanepakada.pdfIn PDF document text
- http://www.dgtrans.co.th/login/ckfinder/userfiles/files/dofuwelorimaw.pdfIn PDF document text
- http://angel-conference.org/upload_fck/file/2021-9-9/20210909021948516431.pdfIn PDF document text
- https://openkomm.yussfone-crm.com/userfiles/file/tevabekamodifuru.pdfIn PDF document text
- https://digireg.sk/upload/47507939704.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=schoollog+student+app+download+apkPDF 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_off0000b0f8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB0F8 | 10956 bytes |
SHA-256: 5d3fb8ece46c4f517518fb360830ef942bb207fe4a31a43bf61b7f2b667d1559 |
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font_01_sfnt_off0000ca43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA43 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e255.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE255 | 15592 bytes |
SHA-256: 4e2f6d69ffed2dbe69de1f2edc64b8ef4871f47d3b407350615e2ed306866e04 |
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