MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links to external sites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm for SEO poisoning. The presence of a 'download button' heuristic and ClamAV detection as 'Pdf.Phishing.Trojan' indicates a malicious intent to trick users into downloading further malicious content. While no scripts were directly extracted, the overall structure and heuristics point towards a phishing or downloader campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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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 http://kidsjeodo.com/images/files/41233514395.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/ivtk5v1pl8n602kjd5404k8vc0/sazulajazemepik.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8ad32961465ebb61cd9f459001b364b1/nawizamopovawuvonugawe.pdf
- http://asupuro.com/user_data/image//file/44138985794.pdf
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/c5f0431e302aee501ba89aea793ec6d0/85162221351.pdf
- http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160926a26ab872---15296828612.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/mnk6pvu13dmgd2o27rrkfe0ie5/vojukanujoxogej.pdf
- http://myucmas.com/userfiles/file/dexapopigezinagixiko.pdf
- http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b06a368c10a---dowusabuvuwufewewo.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8f40339d0---fixawojulebe.pdf
- http://ttccid.com/userfiles/file/5482604988.pdf
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b258683636a---gevuzamot.pdf
- http://scandirent-new.ru/uploads/assets/file/34437956110.pdf
- http://msci.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160d3fda4da27a---76131001771.pdf
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b249b86a199---90033543556.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/20fc2d5ecf01ed1775a22d32efcaf278/48587991032.pdf
- http://www.mecateengenharia.com.br/ckfinder/userfiles/files/11783922746.pdf
- http://sendedianqi.com/upload_fck/file/2021-7-2/20210702001234116197.pdf
- http://pwmtqatar.net/userfiles/file/96112665871.pdf
- https://ukmalayalamnews.com/userfiles/file/giwun.pdf
- http://backupcenters.com/userfiles/file/tujur.pdf
- http://adamlegal.com/userfiles/file/wibuzujamepisiloku.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=here+comes+the+sun+beatles+mp3+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_off0000cc53.bin269649fb891b7f6d6ccf89115bbb115e55d0d8f96266f68dd2eb45dc9d139a59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC53 | 11176 bytes |
font_01_sfnt_off0000e61a.bin48aec76755db191707a21de35e9d21fca0d3a20406bfd35855a69da4607bc653 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE61A | 16984 bytes |
font_02_sfnt_off0001126d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1126D | 16792 bytes |
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