MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and is identified as a link farm pointing to compromised CMS uploads and disposable hosting. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. The embedded JavaScript is a common technique for initiating malicious actions within PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://m-astar.com/UserFiles/files/1747461332.pdf In PDF document text
- http://misterholidaysanprisco.it/userfiles/files/71995684186.pdfIn PDF document text
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/3b1585cb67ead2fa45c30ecf72724dec/91762866892.pdfIn PDF document text
- https://wodepcb.cn/uploadfiles/files/boxudele.pdfIn PDF document text
- http://emilybarnes.com/DEVELOPMENT/VERSIONED/emilybarnes/trunk/sites/default/files/file/lejogifazelifajamokifumug.pdfIn PDF document text
- https://msiutilities.net/documents/pidisajise.pdfIn PDF document text
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b6927092fe---butuzevapalogivamiwebot.pdfIn PDF document text
- https://qfse.co/images/uploaded_files/ckfinder/files/1631408717_59d995dfe1.pdfIn PDF document text
- https://rajatotogroup2.com/contents/files/deregokuvenabuzagekefoge.pdfIn PDF document text
- http://dspec-car.com/js/upload/files/pabugezakagogogevovar.pdfIn PDF document text
- https://lucky-erotic-massage-bucharest.ro/ckfinder/userfiles/files/30191214678.pdfIn PDF document text
- http://ceroki.com/image/files/wasuzepitonojalofude.pdfIn PDF document text
- http://avandcie-automation.fr/ckfinder/userfiles/files/zinakedabenekomufufi.pdfIn PDF document text
- https://247christianity.org/fckeditor/userfiles/file/965408389541630760087.pdfIn PDF document text
- https://firsatpin.com/calisma2/files/uploads/37276868587.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613648a6e8637---rojujogijavara.pdfIn PDF document text
- http://honkakuji.jp/honkakuji/images/ckfinder/files/kawobujesivagerepafaxa.pdfIn PDF document text
- http://erpsamik.com/ckfinder/userfiles/files/73100094517.pdfIn PDF document text
- http://sanyosushiglendora.com/uploads/files/28412871615.pdfIn PDF document text
- https://www.alapan.org/fckimages/file/fapamenadeluzadasi.pdfIn PDF document text
- http://warmistore.com/userfiles/file/zategem.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=thop+tv+cricket+channelPDF 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_off0000d1a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1A4 | 10424 bytes |
SHA-256: d5b1a29574e24ab98b60f79c88f6cb6ab18e4439eefe7b66f774fe0709120a06 |
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font_01_sfnt_off0000e93b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE93B | 18772 bytes |
SHA-256: 16ca7c6b6b5291eed3dc6572c93657582044482e0a53a92b40692029736c012a |
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font_02_sfnt_off000119ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119FF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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