MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, suggesting a link farm designed to redirect users to potentially malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9916
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 http://hsound.ro/images/custom/file/lujulaxobu.pdf
- http://gruppocaminiti.it/userfiles/files/82027570502.pdf
- http://ibarugi.com/fckeditor/userfiles/file/nenaw.pdf
- https://groupburuemas1.com/contents/files/sinekumigabimakewoj.pdf
- https://iva-vietnam.com/userfiles/file/jotagese.pdf
- http://sportingfoundation.com/uploads/file/47156526807.pdf
- http://gestioniarmatoriali.it/mamuregatete.pdf
- http://phupmirpol.pl/userfiles/file/rufuxuxaripusoxafopaw.pdf
- https://suativisamsungtaihanoi.net/upload/files/60661610790.pdf
- http://www.introspekta.si/ckfinder/ckeditor_uploaded_files/files/goxepotivorexusisun.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/7741b5d332a53987074f1db0e28b4b9a/20576813059.pdf
- https://satesayap.com/contents/files/nanovedew.pdf
- http://xn--80aesyq.xn--p1acf/files/file/pixomegekoposokasi.pdf
- https://alkoplast.rs/files/sejuvagavit.pdf
- http://asja-doll.ru/userfiles/file/wijidowu.pdf
- http://suriyedostlukdernegi.org/image/files/zilaxifalojibusud.pdf
- http://excitechem.com/userfiles/file/61350218249.pdf
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/v4rbe8idglahll2cmmj8t5eqb0/27306045622.pdf
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161378d14f2afc---loloxajukesudopemelove.pdf
- http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16148589998c37---nifunizotilavuxed.pdf
- http://www.farmaciapenil.es/userfiles/files/96406156575.pdf
- http://lso-msm.fr/userfiles/file/3371039535.pdf
- http://bodybybodyology.com/ckfinder/userfiles/files/93417050589.pdf
- http://siripanyalamphun.com/user_img/files/nokexamavitogulo.pdf
- http://kaies.cn/upfiles/file/57301464072.pdf
- https://denimder.org/resimler/files/83198782205.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=websites+to+watch+the+legend+of+korra
- 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_off0000b3ae.bin53d8f3d55824aa98a9fc6e6e165f0bb70b00807530c7131534597c763ac92b8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3AE | 14672 bytes |
font_01_sfnt_off0000d8b0.bin598769b646f0fc623d21aa3129bca21f516193703d357244b0452e4d3422ef8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD8B0 | 11068 bytes |
font_02_sfnt_off0000f247.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF247 | 16792 bytes |
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