MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to disposable hosting or compromised CMS upload directories, indicating a link farm designed to redirect users. The presence of JavaScript streams and the ML classifier's high confidence score further support its malicious nature. The ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggests a phishing or trojan distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://oniceh.ru/uplcv?utm_term=kabir+singh+torrent+link PDF link annotation
- http://yuli-china.ru/d/files/86959142786.pdfIn PDF document text
- http://xaydunglenguyen.vn/upload/files/ba4a44.pdfIn PDF document text
- http://vikingpaint.com/user_file/file/92191951824.pdfIn PDF document text
- http://smsgurugram.com/miet/assets/files/madivorukibisu.pdfIn PDF document text
- http://knshzj.com/CKEdit/upload/files/75222255419.pdfIn PDF document text
- http://oresteruggiero.com/userfiles/files/bisadibadikiwonesutom.pdfIn PDF document text
- http://anpharma.net/upload/files/zedulis.pdfIn PDF document text
- http://factory-01.com/js/upload/files/64030871473.pdfIn PDF document text
- http://elma1.ru/!upload/files/kotunipotesowulev.pdfIn PDF document text
- http://vstarmp.cn/upload/files/20210916_055305.pdfIn PDF document text
- https://semangkamerah.com/contents/files/posujalusaviposu.pdfIn PDF document text
- https://cli-kh.com/uploads/files/202109140317415702.pdfIn PDF document text
- http://busangh.com/attfile/fckimg/file///2021091695233_319846415.pdfIn PDF document text
- http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/lebutomapa.pdfIn PDF document text
- https://mantyobras.com/userfiles/file/gapum.pdfIn PDF document text
- https://mimpishio1bet.com/contents/files/gojogobojikujote.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d028312323---votofupevifazusefib.pdfIn PDF document text
- http://sva-jeanroze.com/xmedia/file/2386913074.pdfIn PDF document text
- https://mobspace.xyz/web/img/podborky/files/3248314312.pdfIn PDF document text
- http://yh-nutri.com/filespath/files/20210902045006.pdfIn PDF document text
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/161343dc7026fc---9559443887.pdfIn PDF document text
- https://zbmbudomont.pl/userfiles/file/81690978917.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/6ctgknetspsp13p7iuam25rkie/woxubesilagu.pdfIn PDF document text
- http://nadafashionbelt.com/Uploads/file/mobezufijowonef.pdfIn PDF document text
- http://serenetour.com/image/upload/File/leguwidawodizif.pdfIn PDF document text
- http://zrdb-drogbud.pl/Upload/file/sabizuniwovosamaro.pdfIn PDF document text
- 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_off0000cdbd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCDBD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e5cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5CF | 17708 bytes |
SHA-256: f69e9dc548d518475ea8674d4b0b2337c516eb7c28a3fca6152894d8a0df91fa |
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font_02_sfnt_off00011421.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11421 | 10612 bytes |
SHA-256: f13344f25e1b8a6c5ee3e0073860e606c615767388106cbb306fdcddaa8c90e2 |
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