MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 User Execution: Malicious File
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a high number of external links, many pointing to compromised WordPress upload directories, suggesting it's part of a link farm designed to redirect users to malicious content or downloads. The presence of a 'download button' heuristic further supports a lure-based attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://nhakhoaanphuoc.vn/uploads/files/20904007030.pdf
- https://edmaker.site/wp-content/plugins/super-forms/uploads/php/files/0c41fa7162ad8c572e9221dd25fd5d9d/pozidofuwadosa.pdf
- http://mea-travel.pl/userfiles/file/noxedatolekenolak.pdf
- http://hookmyweddingup.net/clients/73542/File/tilekexozi.pdf
- http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16077b72e5199b---pilexolo.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2ed415f66---3465905956.pdf
- http://sbnjl.com/userfiles/files/11889954418.pdf
- https://stallion-international.com/userfiles/file/59716292822.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a50ede93739---39383039423.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160948f56dd4a1---46363889031.pdf
- http://0-50.ru/userfiles/file/67145164399.pdf
- http://heninrealty.com/userfiles/files/rovunosowabafuju.pdf
- http://skolicka.eu/foto/images/file/73134001124.pdf
- https://airshow-bg.com/file/wurapizerajavejevebo.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae07269e70f---11244298763.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071d80666d6c---sutisizelazosaroka.pdf
- https://echipamente-scule.ro/userfiles/file/famodelepinarafaniririp.pdf
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/b1bd992ceed680ebf7525c05b5aaca68/4316258259.pdf
- https://kodcomputers.ro/2664/uploads/6248897144.pdf
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16087f25058fe1---wowesexos.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c1fc9df3a0e---13450750243.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=gerund+and+infinitive+test+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_off0000bdaf.bin20cd180047d65e1210f28f52d4021a9c9bb3456bb44eeeaf6cb14d2d423c922b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBDAF | 16872 bytes |
font_01_sfnt_off0000e9ba.bin1e71f81a79b3ea5ebcaa20a28d120078892310b1020882c3a28066bdcf57071d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9BA | 10576 bytes |
font_02_sfnt_off000101e6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101E6 | 16792 bytes |
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