MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, suggesting it functions as a link farm to distribute further malicious content or phish for information. The presence of embedded JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://coretry.ru/uplcv?utm_term=insurgent+streaming+gratis PDF link annotation
- http://saimiri.name/upload/file/41588183061.pdfIn PDF document text
- http://hengtaixin.com/HangShun/ckfinder/userfiles/files/44536130784.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe4e445078---zuziwisalago.pdfIn PDF document text
- http://theprofitnesstrainers.com/userfiles/file/90164569661.pdfIn PDF document text
- https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/bc148d5502fa42f00cab989d028edbb6/38663220137.pdfIn PDF document text
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe0f1a16d8---xitegu.pdfIn PDF document text
- https://ra7a7p-h3ba7.com/contents/files/55027511551.pdfIn PDF document text
- http://icmasistemas.com/userfiles/files/82604607083.pdfIn PDF document text
- https://robustbrakes.com/administrator/imagetemp/file/41212737488.pdfIn PDF document text
- http://zeci.nl/im/image/16541999736.pdfIn PDF document text
- http://datong-travel.tw/upload/ckeditor/files/20210905013356.pdfIn PDF document text
- http://yeosingol.com/FileData/ckfinder/files/20210917_86F11954A3FB09FD.pdfIn PDF document text
- http://www.peritaonline.es/ckfinder/userfiles/files/dibupamediboraralavoj.pdfIn PDF document text
- http://liderzy.natura2000.pl/imgturysta/files/32047112824.pdfIn PDF document text
- http://misterholidaysanprisco.it/userfiles/files/xitafudijifitiwupi.pdfIn PDF document text
- http://www.prieteniitehnicii.ro/documente/file/tuxakasanomopanodasepip.pdfIn PDF document text
- http://zgic.ru/!upload/files/63638286588.pdfIn PDF document text
- http://satunatc.ac.th/ckfinder/userfiles/files/48175140005.pdfIn PDF document text
- https://kozmetikadunakeszi.hu/userfiles/file/pewowujazali.pdfIn PDF document text
- https://www.tulsarad.com/my_content/js/ckfinder/userfiles/files/kebakorasetelewomewegif.pdfIn PDF document text
- https://tessuno.com/upload/files/6141dca0e8164.pdfIn PDF document text
- http://goldenstarhotel.vn/images/uploads/files/96219896878.pdfIn PDF document text
- http://bidwoodmachine.com/d/files/ligoviladituzofekogegegel.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_off0000be71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE71 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d688.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD688 | 10336 bytes |
SHA-256: 14903a4eed212dce6f54e606328c86b83568e821fd455eb5ceb97b02e3efeddd |
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font_02_sfnt_off0000edcc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDCC | 17488 bytes |
SHA-256: 9f7c1e6d45eb36fe73eaf29285d9b21afdb63f29d57c7f47e2e1c41997650c85 |
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