MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The file's structure and embedded links indicate it's likely used as part of a spearphishing campaign to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9986
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://www.ximangsongthao.com.vn/app/webroot/uploads/files/fomoluzatuduzewunog.pdf In PDF document text
- http://yepuco.com/uploads/files/97298819422.pdfIn PDF document text
- http://ruoumoc.com/upload/files/75365472347.pdfIn PDF document text
- http://khachsansapa.vn/webroot/img/files/9010478579.pdfIn PDF document text
- http://dongtienlamnghiep.com/upload/file/xubigokun.pdfIn PDF document text
- http://bitite.lv/media/txt/122/file/4126548401.pdfIn PDF document text
- http://criminisiepartners.it/userfiles/files/labidesewunevu.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/vq35rormttobrbknn6t6rj267s/46229669385.pdfIn PDF document text
- https://gachbinhduong.com/upload/file/pabapu.pdfIn PDF document text
- https://mabuksusu.com/contents//files/wikosuxorana.pdfIn PDF document text
- http://ominocoibaffi.it/userfiles/files/955000041.pdfIn PDF document text
- http://altelaw.com/uploads/image/file/61972605507.pdfIn PDF document text
- https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/rudupisobatobelesifi.pdfIn PDF document text
- http://comp-art.ru/userfiles/file/demubu.pdfIn PDF document text
- http://harringtonassociateslaw.com/Test/JabzMedicalBillingService/userfiles/file/68947550107.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c077f07ba5---gamawugam.pdfIn PDF document text
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/9ad1151ba6e1b5ef596cbc672d9c0617/88672411071.pdfIn PDF document text
- http://nwatchonline.net/userfiles/file/16034393833.pdfIn PDF document text
- http://mientrungpetrohotel.com/users/files/kiwapadapupusosuwuda.pdfIn PDF document text
- http://lucchetta.net/userfiles/files/64582761810.pdfIn PDF document text
- https://sgicorp.com/userfiles/files/ratuwewipujadovetabow.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=diagnostic+imaging+for+the+emergency+physician+pdfPDF 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_off0000b42f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB42F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000cc46.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC46 | 11136 bytes |
SHA-256: 36928dca0bf2deb28324e7ab735ead34e1865812d57259f4ba04fbc771654826 |
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font_02_sfnt_off0000e5e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5E8 | 16276 bytes |
SHA-256: 083b16907cd80fffab11bee9efca3990e7ddf95d9f6b5ba596fa02067542b1b3 |
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