MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious intent. The presence of numerous external URIs, many pointing to PDF files on disposable hosting, suggests a link farm designed to distribute further malicious content or phish for information. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards a malicious workflow, likely involving the exploitation of PDF vulnerabilities or social engineering to trick users into downloading further payloads.
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://arvikabc.com/images/uploadedimages/file/vizajigurubasun.pdf In PDF document text
- http://apartament-krokus.pl/userfiles/file/popejuwinifut.pdfIn PDF document text
- http://smenergy.kr/uploaded/file/9741856826136bca100f95.pdfIn PDF document text
- https://domilot.com/uploader/files/leromamebidusis.pdfIn PDF document text
- http://excitechem.com/userfiles/file/mudarikugex.pdfIn PDF document text
- http://thevisionkharj.com/userfiles/files/dufiremikazuwexel.pdfIn PDF document text
- https://abbma.in/admin/uploads/file/jinutavagabudujisaxevar.pdfIn PDF document text
- http://dragoniresorts.com/userfiles/fuvezalomekajumapimo.pdfIn PDF document text
- https://srilangkapools.com/contents/files/83279517572.pdfIn PDF document text
- http://lube-stc.com/ckfinder/userfiles/files/32832702198.pdfIn PDF document text
- http://geombiagioschettino.eu/userfiles/files/perexerokozowebupo.pdfIn PDF document text
- https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e37c087def---54112143507.pdfIn PDF document text
- https://campermagazine.tv/public/file/55274007931.pdfIn PDF document text
- https://habibitours.net/ckfinder/userfiles/files/89833601905.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/zugifukigazapa.pdfIn PDF document text
- http://kangmeideyiliao.com/uploadfile/file///2021091102012198.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/161314c2ca30d2---xibexikirawusitakagavopev.pdfIn PDF document text
- https://www.privathospitaletkollund.com/ckfinder/userfiles/files/vonifotoresufodujuruwesam.pdfIn PDF document text
- https://www.tvmreza.tv/ckfinder/userfiles/files/dokalaripuveba.pdfIn PDF document text
- http://sacoorhealth.pt/site/upload/file/23970586904.pdfIn PDF document text
- https://eniedu.com/data/file/20210903065317.pdfIn PDF document text
- https://samajsutra.com/userfiles/files/senuruxu.pdfIn PDF document text
- http://www.icareonline.net.au/ckfinder/icare/files/tesuvasovedujomuwuluj.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=a+quiet+place+2+full+movie+2020+online+123moviesPDF 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_off0000e2a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2A0 | 17724 bytes |
SHA-256: ced316b6b525a7406c884dd946eb2a8f85013aca4b2729f083cf6f4fc7c1226a |
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font_01_sfnt_off00010fef.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FEF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012806.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12806 | 11300 bytes |
SHA-256: 93d0a2e572c3d33395465d67f8eb29c4aa2022f90f5200a8656899c1dad70166 |
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