MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting a phishing or malware distribution scheme. The PDF structure and embedded URLs are consistent with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://www.scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/bisilepaselarevunifuniwot.pdf
- http://pokorny-podlahy.cz/UserFiles/File/86637969744.pdf
- https://www.idromeccanicasrl.com/idromeccanicasrl.com/wp-content/plugins/super-forms/uploads/php/files/64b67fadb4829b3e709e5d5ea2359332/xujabewazudirowo.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/5ab25b9e6159e0d7c491e3519c1287aa/vikisilixumaganubulu.pdf
- https://lastcallslc.com/wp-content/plugins/super-forms/uploads/php/files/d67c5009c78628d0c35dbc0139f13d63/vekigifigenozero.pdf
- http://ekorepetycje.eu/Upload/file/10777830681.pdf
- https://yifff.se/userfiles/file/1312287946.pdf
- http://www.leasebridge.com/CKUPimg/files/jukurufona.pdf
- https://blokhol.com/upload/files/kanoniputonef.pdf
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/qnbetuj0q2nfvb3gtp7cqbfgvt/xotitanonazuxijozuj.pdf
- http://www.srijonihealinghome.com/fckimages/file/75026880978.pdf
- http://szentdorottyapatika.hu/files/34229273817.pdf
- http://mextro.de/upload/files/wagulabadiparidare.pdf
- http://massintech.ru/img/outer/files/gikokoluduvumagexiral.pdf
- https://www.abaco-engineering.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609ef352eaa10---falepezutanobezatuva.pdf
- https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/npkfms0nt5de5phtteh4d6i0g2/92928860941.pdf
- http://akademibt.com/resimler/files/65517021229.pdf
- http://giustizianuova.it/userfiles/file/bokutorodatejem.pdf
- https://ambientltg.com/wp-content/plugins/super-forms/uploads/php/files/8e8b20d14c70e30f6a426db572ff638b/wedivapuranodif.pdf
- http://aarogyamedico.com/userfiles/file/36362723738.pdf
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/4c63656f52f00a941e021b2edef8d45f/zukuf.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=network+connectivity+problems
- 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_off0000e7c5.bin2c0cd1a75ac883f55bfa76824f5360cac2a2cdea0d60dccd1bfae94563a4520e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7C5 | 10848 bytes |
font_01_sfnt_off000100a3.bin85c68c84aed0fe1b4b3141d9d727c44a406390a4a2ce8ecf6d7378cb35a50fca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100A3 | 17212 bytes |
font_02_sfnt_off00012ca3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12CA3 | 16792 bytes |
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