MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting a phishing or malicious redirection scheme. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure as a link farm on disposable hosting further supports its use in distributing malicious content or leading users to phishing sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://noospc.ru/SITE/files/editor/file/dolefomoguzezedivonokeko.pdf
- https://maximatrimony.com/ckfinder/userfiles/files/19203329396.pdf
- https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160846fc5cbb31---91075314511.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16088581fd4f6d---71844966719.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f081ad215e---85360941518.pdf
- https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b835296a2---86244308250.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160ba14037bab6---42686345219.pdf
- http://ourhkg.com/UPFILE/userfiles/files/22203040616.pdf
- http://www.shipsupply.co.mz/wp-content/plugins/formcraft/file-upload/server/content/files/160895a876eeda---97008453130.pdf
- http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985631d034a---98341126421.pdf
- https://liniagdanskzydowo.pl/files/pitejatumasazirivixutoju.pdf
- http://yilip.net/userData/board/file/82656080534.pdf
- https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/9dd42b26a31b8fa3b4200ace2be3725b/86374289535.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/6834ccc81e45a48d565677ff1bd099d0/32899748018.pdf
- https://dpengineers.info/admin/userfiles/file/rudabe.pdf
- http://hanleyresources.com/images/megalakofopekigeji.pdf
- https://copab.tn/216mag.svn/uploads/files/zenugoripefekavusujetemu.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/a629e5c0964d0ef6ddf048ed93753a1f/jomalujuwalumidolezoli.pdf
- https://toskov-yordanov.com/userfiles/file/84410717099.pdf
- http://bochosushi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b70fc63697---19800770197.pdf
- https://novzelandiya.ru/ckfinder/userfiles/files/siloz.pdf
- https://bibonatura.hu/ckfinder/userfiles/files/kidazezive.pdf
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a028fb3e9e9---36526962291.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=yellow+tiger+butterfly
- 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_off00011a39.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A39 | 16792 bytes |
font_01_sfnt_off0001324b.binfa1d83c740278c59dbb697bcc40bf2f6f17c626c2932ae600d1096c2cbad1af1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1324B | 17440 bytes |
font_02_sfnt_off00016072.bin654e4f8ac631875992fec0f59d3b92155ca5d0c38efe4ba39aa2fd07ae93be6f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16072 | 10376 bytes |
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