MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It functions as a link farm, with numerous embedded URLs pointing to compromised CMS upload directories. These links likely serve as lures for phishing attacks or to distribute further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://studionegro.net/userfiles/files/43253695043.pdf In PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/a1c7519132bc0977dcc82fd4d532e0fd/mufolosixewoximirodiju.pdfIn PDF document text
- http://medica-brno.com/files/watasezelipazusoduxu.pdfIn PDF document text
- http://intertexmedical.com/userfiles/files/sebizobexixefezilalusugi.pdfIn PDF document text
- https://egyediajandekotletek.hu/mvc/userfiles/file/65844528702.pdfIn PDF document text
- https://minhgianggroup.vn/upload/files/tizowovozoxexazolixudi.pdfIn PDF document text
- http://www.themixchange.com/userfiles/files/kizuzinomazosonare.pdfIn PDF document text
- https://tfnd.org/wp-content/plugins/super-forms/uploads/php/files/3ccc5b0a80a2d9f1def7c837728c525f/wugonulo.pdfIn PDF document text
- http://gzmzwl.com/Uploadfiles/files/51001758173.pdfIn PDF document text
- http://mientrungland.net/uploads/image/files/vetejezibugizan.pdfIn PDF document text
- http://weilandensemble.nl/ckfinder/userfiles/files/giwewesasokobamitixasute.pdfIn PDF document text
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16142f79992bf4---givukenago.pdfIn PDF document text
- https://fetogram.com/images/upload/files/verilevujaka.pdfIn PDF document text
- https://saikekanglun.com/filespath/files/20210915153500.pdfIn PDF document text
- https://dp-engineers.com/admin/userfiles/file/77634951442.pdfIn PDF document text
- https://smg.bid/ckfinder_userfiles/files/bopisewarazipitilek.pdfIn PDF document text
- https://108pizza.pl/uploads/userfiles/files/19807469386.pdfIn PDF document text
- http://ned.ru/uploads/files/50389512065.pdfIn PDF document text
- https://digireg.dk/upload/20355747896.pdfIn PDF document text
- http://tavio.su/files/file/3650217155.pdfIn PDF document text
- http://0225674989.kad.tw/kads/ckfinder/userfiles/files/4663023254.pdfIn PDF document text
- https://milorem-service.ru/userfiles/file/35693630259.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=cricket+new+game+downloadPDF 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_off0000b29e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB29E | 10752 bytes |
SHA-256: a4a6236fecc54dc42770b9412a57d3621856320ac1c05cc5095b34037a6ca260 |
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font_01_sfnt_off0000cb36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB36 | 15424 bytes |
SHA-256: f0287b307fcb8284f67139f1fb1168d17ee005648ed8edc4b64601fb80cf25ac |
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font_02_sfnt_off0000f201.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF201 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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