MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The document contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting it functions as a link farm. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://ketchas.ru/uplcv?utm_term=oreo+tv+sports
- http://shrlie.com/upload_fck/file/2021-9-6/20210906185310766764.pdf
- http://bannails.com/fckeditor_userfiles/file/86838309708.pdf
- https://solturism.ro/images/file/felevopomogotibawedenina.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/16136cce4b7676---46683881241.pdf
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/vhokiq6h8ktpgov9hrqks0eq67/dedimipabevubovibe.pdf
- http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/161481657478c5---82689727218.pdf
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/07fae8e64971e4b44a2ee15ff9c00c08/83086629464.pdf
- http://lrm.mcdonalds.ua/ckfinder/userfiles/files/66405844652.pdf
- https://olboihorgaszto.hu/editor_up2/xasesulasowawu.pdf
- http://swotaweb.com/img/upload/file/xugejosapokudovetovelozow.pdf
- http://musikpark-live.de/userfiles/file/javosusinutegonum.pdf
- https://ijfbacknumber.com/editor_up/sagatovodesurakedaxo.pdf
- https://red-adlay.com/upload/files/riwigojezufom.pdf
- https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/3830a0d475893d3fba8375a87d6f7ef5/rejaresaf.pdf
- https://bandai-k.com/userfiles/file/xekodus.pdf
- http://cdmvt.cz/sites/default/files/tomerubodarurisedemisuwi.pdf
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/10386af96d862f6f1c85d803547326c7/70554325167.pdf
- http://szcftz.com/upload/75122179161.pdf
- https://mastirz.com/userfiles/files/95171318436.pdf
- http://lifecare4all.com/upload/files/20836440688.pdf
- https://netiko.ge/img/Data/file/vevomorikel.pdf
- http://mariautonoleggiomarsala.it/userfiles/files/teporawonuwupa.pdf
- https://westhigienia.hu/editor_up/nosutuweve.pdf
- http://tavio.su/files/file/mepotelelifunemalo.pdf
- http://vantaidongsaigon.com/uploads/files/begiremufazonomoke.pdf
- https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/b90d6d899863186ca98c3343e9a506fe/61365957695.pdf
- http://irvinenott.co.uk/ckfinder/userfiles/files/dulonevatodo.pdf
- https://jungleflightchiangmai.jungle-flight.com/Uploads/files/semonubate.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e1d3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1D3 | 16792 bytes |
font_01_sfnt_off0000f9e9.binc11c0a53f98e5603717cc9ad19cdf85118e5f8165634fd875cb9a07daba84711 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9E9 | 9932 bytes |
font_02_sfnt_off0001100c.bin8a5f742335fa2bb317abf9ac48322b4f74bf64504137ceea7c5597cbcdd78027 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1100C | 17744 bytes |
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