MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected by ClamAV as Pdf.Phishing.Trojan and flagged by an ML classifier, indicating malicious intent. It contains a link farm pointing to numerous external PDF files hosted on potentially compromised or disposable domains, suggesting a phishing or malware distribution campaign. No scripts were extracted, but the PDF structure and URL patterns are consistent with common phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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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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 https://orrizon.ru/images/file/75210771903.pdf
- https://scanclean.bg/upload/ckfinder/files/zekalagiran.pdf
- https://autosaloncenter.com/uploads/file/fomipu.pdf
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e9f7489f8d---29799068270.pdf
- http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1607ac04d956db---97989966823.pdf
- http://heilpraxis-pankow.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cc1fb4a1a7b---pisudikajoden.pdf
- https://dbjadow.pl/attachments/file/29719062485.pdf
- http://isystemlab.com/admin/ckfinder/userfiles/files/nifowapawudufe.pdf
- http://sys-svinding.dk/userfiles/file/2456668755.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/d9b9f5ca053d085eb54408a34fe62ffa/62599547873.pdf
- http://bscartridge.com/pic/58720280310.pdf
- https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c76bacd5e30---33054028427.pdf
- https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/jaj8d87lj3rpvaadpqd1auufa7/vulijunovunuxosen.pdf
- http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb19dc75a4---tosanamelewatew.pdf
- https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/f12bfdceefc597437fd76871c174c0e6/89222317339.pdf
- http://morard-mcf.fr/data/Files/76812027501.pdf
- http://www.northeastmarquees.com/wp-content/plugins/super-forms/uploads/php/files/2e8619d74d04b9c6de069aaf41ff1244/telizuwof.pdf
- http://automsystem.com/UploadFile/file/20210528091453124.pdf
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/aa34187c1597fa873603d5d57e5f95ed/zatakavelajejix.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/da7c070b646d836f414c1427e30dbde0/tosajojujojofi.pdf
- https://anjingliar2.com/contents//files/61317460053.pdf
- https://www.frankreich-ferien.ch/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9c4f226bc---33028036080.pdf
- https://maximatrimony.com/ckfinder/userfiles/files/bowumumun.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a71561e4aee---73375750828.pdf
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/27a416f2a811d53fc4f51347471bdc4d/tiwitexosuvegivodupo.pdf
- http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1608a60d646009---vawajufesitufegewerokar.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=idioms+exercises+with+answers
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6c1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C1 | 16792 bytes |
font_01_sfnt_off00010ed8.bin4e6bb874064b61270cf33af889ef013f5cb78e81caf80f3ad6d757f98777bec4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10ED8 | 10728 bytes |
font_02_sfnt_off0001275d.bin3a8d9da91bcf61f49b2af1463330598ea074dfd8efd77eb1a0394c1720312fbb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1275D | 17176 bytes |
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