MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, with numerous embedded URLs pointing to compromised or disposable hosting domains. These links likely serve to redirect users to phishing sites or download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9922
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://aftckwt.com/uploads/file/63250085972.pdf
- https://craftsmancuttingdies.com/wp-content/plugins/super-forms/uploads/php/files/l80olrfnqtdue2etvgdrth6975/40021787965.pdf
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/l2fltnv72bkrcfabhdq57q7e5c/52105625503.pdf
- https://www.idahomedia.com/wp-content/plugins/super-forms/uploads/php/files/05988674d34fc0d5648e37941547d815/38297224105.pdf
- https://eurouniversal.eu/ckfinder/userfiles/files/nekigenomididuj.pdf
- http://openendrep.com/userfiles/files/pegofigesarenokoropa.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609fcffa955e0---nemimisa.pdf
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160af78a0d85fd---32209061658.pdf
- http://tovicetour.com/FileData/ckfinder/files/20210613_C6B9CC60F5DC377B.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/1606ceef577e08---naduwanifobeselose.pdf
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/bc83d655f3f31ecbb0c7feaaf52ab1fb/72120904751.pdf
- http://fluitec.fr/ressource/site-image/files/mijexu.pdf
- http://digemnd.com/UserFiles/file/kupadibeniki.pdf
- https://anmoul.com/userfiles/file/29907884259.pdf
- https://cosalesrep.com/wp-content/plugins/super-forms/uploads/php/files/12493996f2f652d5c4b60628a7a52fa5/22226087258.pdf
- https://anukulagrotech.com/userfiles/file/72916724080.pdf
- http://magicdiscoradio.hu/userfiles/file/zugololujogevituva.pdf
- http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c0cf2a5e5a9---85532027307.pdf
- https://ijpdua.com/contents//files/demuzonipuranaz.pdf
- http://cuspsurgeons.com/userfiles/file/gunowovevexejofubudifukax.pdf
- https://www.nuyew.academy/wp-content/plugins/super-forms/uploads/php/files/3093ab1ed6943d73304348de2c712839/wutasoginalipabipewodu.pdf
- http://elite-nails.pl/Upload/file/pukatetopesedefidijona.pdf
- http://restravel.ru/ckfinder/userfiles/files/tanut.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=find+the+centroid+of+a+triangle+the+midpoint+of+whose+sides+are
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/396b6bf972c68a1a4b7861ce8879543e/52349096542.pdf
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e243.bin98ff3b9e51aa5cd7098a58bca0a976378e2f3b2c16620d33e5833bccc5a9d91b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE243 | 11132 bytes |
font_01_sfnt_off0000fbd7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBD7 | 16792 bytes |
font_02_sfnt_off000113e9.bin5ce46e4a45d7ff74e20896024f45a1dc3838a0c3c80d57d7357ba402da7597cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113E9 | 16760 bytes |
font_03_sfnt_off00014014.bincabe2fed004bb8067deee1dcd87a862767dc77278bd13b314bd8d5cbc3a2b911 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14014 | 2520 bytes |
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