MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to compromised websites, indicating a phishing or malware distribution attempt. The 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics confirm its malicious nature. The presence of multiple links on potentially disposable or compromised hosting suggests an effort to obscure the final malicious destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/4smrhclncj30dpn1anvs062hjb/rolofisafaxe.pdf
- http://hzjksj.com/images/upload/File/7409121966.pdf
- https://5a.ro/ckfinder/userfiles/files/30485779615.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609c161e5c2e7---rugorijuxaruru.pdf
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5ba9d94fa---20085709535.pdf
- http://dobre-jaja.com/Upload/file/55278067731.pdf
- http://duocthientam.com/uploads/ckfinder/files/12927834332.pdf
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c283078e461---15939251993.pdf
- https://concurs-euclid.ro/upload/fck/86535731294.pdf
- http://votava2.altrodesign.eu/ckfinder/userfiles/files/20196691609.pdf
- http://reclamesticker.nl/images/uploads/file/pifufabowopanuleginiloneg.pdf
- https://12shio4.com/contents//files/lumum.pdf
- https://konchris.com/userfiles/file/1630584712.pdf
- http://www.sas.edu.mn/ckfinder/userfiles/files/70952128375.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160cb29286216a---18298319612.pdf
- http://xn--49s538bo8ux8c.net/userfiles/file/28204846742.pdf
- https://sofupingame.com/calisma2/files/uploads/dapunedinunuxukolurimojo.pdf
- https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4b5875d4b---48227268546.pdf
- http://sva-jeanroze.com/xmedia/file/15225293214.pdf
- http://malbreil.com/userfiles/file/wanesotadi.pdf
- http://ckm-machinery.com/userfiles/files/2194381323.pdf
- http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a56017e6185---totexiruwixagadema.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=garmin+forerunner+35+manual+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_off0000e161.bind34e1c615143aa59e835a732a81bb72de3378cf1b2ba4a89f8db8d231df21f1a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE161 | 17880 bytes |
font_01_sfnt_off00010ff8.bin20ec833b2c76d3e6643df3bba32b851dd227a992f27eb80df71a01adecb63b4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FF8 | 10780 bytes |
font_02_sfnt_off000128d2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128D2 | 16792 bytes |
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