MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of embedded URLs, many pointing to domains identified as disposable or potentially compromised, suggesting a link farm designed to redirect users to malicious sites. No scripts were extracted, and the document body was unreadable binary data.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://dd-eng.com/files/files/52937577145.pdf In PDF document text
- http://myphamhelios.vn/luutru/files/wepemesefirebag.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16088b1205ab88---boniwesafomuf.pdfIn PDF document text
- http://cioccolatogallucci.it/userfiles/file/sevozuronibinurokup.pdfIn PDF document text
- http://ahrestygz.com/userfiles/files/20210720_123320.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/savikusikixiredowujovefuk.pdfIn PDF document text
- https://banktapeunadana.com/tapeunadana/bank2/admin/userfiles/file/mubivulegufosazedejid.pdfIn PDF document text
- http://mdsalon.ru/img/lib/file/97394516270.pdfIn PDF document text
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/203c6bdeea169f1aad76159ac801d800/90468490363.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d2e9c0747a1---pugodikeragopipox.pdfIn PDF document text
- http://udokutscher.de/gfx/userfiles/files/kipivusel.pdfIn PDF document text
- http://av-jet.ru/userfiles/file/tosagu.pdfIn PDF document text
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/m3c1dp4gpqntl52sbs8ussbsi7/35805707363.pdfIn PDF document text
- http://thebellingerfamily.com/clients/0/05/05034faaa501c69409a7459485cba135/File/56612910576.pdfIn PDF document text
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/l2bj2p4ahu4d2o7ree1g4kmiv8/90571752985.pdfIn PDF document text
- http://neonatal-surgery.ru/userfiles/files/8724154073.pdfIn PDF document text
- http://nadiadsa.org/userfiles/file/78803440844.pdfIn PDF document text
- http://myucmas.com/userfiles/file/fafejetetenejaz.pdfIn PDF document text
- http://fermobkorea.com/userfiles/file/20210724141955.pdfIn PDF document text
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba4f0868c02---66806498422.pdfIn PDF document text
- https://www.lightingsolutionsinc.net/wp-content/plugins/super-forms/uploads/php/files/eba73ed815c2bd4af862e493fe5b44b2/sasibutijekare.pdfIn PDF document text
- http://a-swiss.com/upload/userfiles/file/xamoriv.pdfIn PDF document text
- https://pachetedeturism.ro/images/files/pijobonobatawax.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=analisis+del+poema+hombres+necios+de+sor+juanaPDF 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_off0000ef24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF24 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001073b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1073B | 11032 bytes |
SHA-256: 5a6836a0418b3afd6a4c4d0983bab038f1602f725faa499211e615bffc9d3c6d |
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font_02_sfnt_off00012059.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12059 | 18016 bytes |
SHA-256: cb632f13f49fffdef0eb434265a20f206db834861f6f5a4e4aa508e8374f33e4 |
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