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 disposable hosting or compromised CMS upload directories, indicative of a link farm designed to lead users to malicious content. ML classification and ClamAV detection strongly suggest this PDF is a phishing trojan. The presence of external URIs and link farm heuristics supports the attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://ozcetinler.com/userfiles/file/62590781223.pdf
- http://pincodehub.in/userfiles/file/mevon.pdf
- http://naszemotyle.natura2000.pl/imgturysta/files/sidekixunijofidevilusasat.pdf
- http://wellogo.in/userfiles/file///30642619339.pdf
- http://aceonlinementors.com/userfiles/file/77883605076.pdf
- http://surtek.biz/image/files/20150324_225725.pdf
- http://supair-lux.hu/ckfinder/userfiles/files/kufekixowewifobaderu.pdf
- https://camphacement.vn/upload/files/jezasetebajul.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/161479bbdd20e1---91804094576.pdf
- https://stdtekstil.com/upload/ckfinder/files/tobunodukeraxiwelurasalug.pdf
- https://honkakuji.jp/honkakuji/images/ckfinder/files/jisopulun.pdf
- https://banerjeetourspecial.in/ckfinder/userfiles/files/vetep.pdf
- https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/a967f9cd803fe398685380fa7c69f56f/seroju.pdf
- http://rosniyom.com/userfiles/files/vimizonasupewiw.pdf
- http://www.cuadernos.in/wp-content/plugins/formcraft/file-upload/server/content/files/1612e9a91eb368---temazavojutazifikigive.pdf
- https://chungangroup.com/uploads/files/202109300717236628.pdf
- http://vaithun.net/upload/files/8042027109.pdf
- http://topbuild.net/content/xuploadimages/file/vojagotipevupoxetaga.pdf
- https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16130a71e11395---ramijegotibudunaveburiv.pdf
- https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/433b33711d4aa0f362172be9fc9f07c1/kutovokit.pdf
- http://savaksangida.com/resimler/files/pogisaxe.pdf
- https://vnjhanoi.com/upload/files/mozir.pdf
- http://atomleasing.ru/media/File/zoraji.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=zombie+commando+mod
- 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_off0000b173.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB173 | 16792 bytes |
font_01_sfnt_off0000c98a.bine0106b9800029190f95517ea83301c5acfcf3c8b2ff5ac4a31e1acdbdd09251f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC98A | 10224 bytes |
font_02_sfnt_off0000e067.bind093d279ee4c8c3e3fa19ed3c017be21a3c2fe5f3856f57236334b65b5a37443 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE067 | 14856 bytes |
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