MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous embedded URLs that point to compromised CMS upload storage and disposable hosting, forming a link farm. The SE_CALLBACK_LURE heuristic suggests a phishing or tech-support scam context, aiming to direct users to these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/jgfc4spe02b0cihpcist4tvidk/10124658840.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0335ea53f---11605229453.pdf
- https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/ec96a517357ec45f932f54bdd119fd2f/97871368094.pdf
- https://ivanamihic.com//files/xixebikuduxalalulu.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160999bb0bb765---20798983906.pdf
- http://jinanxintiandi.com/userfiles/files/75422230282.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/0gd1nu2v90q11bkl2bj9gknn9m/56073934286.pdf
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608489974fe58---80350163534.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/ejid9aqivnf0klqi1pk5m5t3di/kaduserubisesofa.pdf
- https://ankaratemizlikcim.com/depo/sayfaresim/file/danesalato.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160867bd9a5a99---24757443888.pdf
- https://communeouchamps.fr/userfiles/file/36663666827.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160863762a9086---70247334581.pdf
- http://youandisagenix.com/ckfinder/userfiles/files/22741412391.pdf
- http://kath-kiga-bw.de/bilder/berichte/file/97506011670.pdf
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090405f9e8d7---93106731950.pdf
- http://hoitruyengiaocodocvietnam.com/uploads/image/files/67626561947.pdf
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ace273dfd5d---basazugepakaxogerabe.pdf
- http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082b60a63680---75162071545.pdf
- http://backkwang.com/userData/board/file/tojokojozaw.pdf
- http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/99546803663.pdf
- https://www.rowtheerne.com/wp-content/plugins/super-forms/uploads/php/files/82b1d6f4427d91cd602a6555002fafc5/detufilomav.pdf
- https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16099ddd03ca4e---13813479878.pdf
- http://csptech.net/admin/userfiles/file/22203147784.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=ios+14+free+download
- 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_off0000ed29.bin0e59e03f510caaf778507fb6502c13a7151a38d4b39e742dabd3bf22fda004b2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED29 | 17004 bytes |
font_01_sfnt_off0001197d.binc69d6d12e504496d913304c7a6e06d4240c708ce91389cc5c11ddf9cf011f308 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1197D | 10324 bytes |
font_02_sfnt_off00013112.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13112 | 16792 bytes |
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