MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple external sites, some hosted on compromised CMS uploads and disposable domains. The presence of numerous unknown URLs suggests a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9929
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://pet.nfe.go.th/m_site/ckfinder/userfiles/files/vasojem.pdf In PDF document text
- https://bevasilicones.in/userfiles/file/14345364498.pdfIn PDF document text
- https://mu3yc792xh-rl1.com/contents/files/xobifesawukazefoxemelixu.pdfIn PDF document text
- http://104408017.linker.tw/files/62154500196.pdfIn PDF document text
- https://affordans.com/ckfinder/userfiles/files/sikorigomotavigo.pdfIn PDF document text
- https://ketdoanbus.com/webroot/img/files/72469755003.pdfIn PDF document text
- http://kor-ra.ru/UserFiles/file/gusikaxujawi.pdfIn PDF document text
- http://dd-eng.com/files/files/42468135848.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/358f3eee606c20983130680ec66da221/93719667724.pdfIn PDF document text
- http://rentaruedas.com/files/others/tarujetowekomibavepik.pdfIn PDF document text
- https://ktmcollege.org/public_html/userfiles/file/dokoratetamatovifijowig.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/16138d2ae0de7a---52414105774.pdfIn PDF document text
- http://chinajessie.com/seadata/data/uploads/img/file/163133643340.pdfIn PDF document text
- http://avtrak.ru/ckfinder/userfiles/files/41190439780.pdfIn PDF document text
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/137500e009eb078a5945d4c74dc9d5fb/86455387623.pdfIn PDF document text
- http://daechienglishpark.com/ckfinder/userfiles/files/8650578369.pdfIn PDF document text
- https://careersourcechipola.com/files/public/sojunijinizikebuxebefip.pdfIn PDF document text
- http://sangjeom.com/userfiles/file///92287064683.pdfIn PDF document text
- https://eirai.org/editor/ckfinder/userfiles/files/41485611454.pdfIn PDF document text
- http://tinhotsaigon.com/uploads/files/vakug.pdfIn PDF document text
- https://liantoong.com/archive/upload/files/zagufunofodelefuwa.pdfIn PDF document text
- http://doorsatyrau.com/ckfinder/userfiles/files/2552390517.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/2cf195c376a188c47c23f1ea51b5b9a8/bakitenudefitevigixo.pdfIn PDF document text
- http://progfin.pl/userfiles/file/62901903021.pdfIn PDF document text
- http://laboratoriodiprogettazione-ve.it/userfiles/files/16229218755.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=fast+1+full+moviePDF 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_off000102ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102BA | 17152 bytes |
SHA-256: fecea990f80ead95becb2c489e7c98ea5cfe02b66abaf7fb366fab395171aa20 |
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font_01_sfnt_off00012f29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F29 | 10364 bytes |
SHA-256: 22da30287801bbbf38f38931a3cda72c8b898a848d27c169da864bb1588630ca |
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font_02_sfnt_off000146bb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x146BB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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