MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links, many hosted on disposable domains or compromised CMS uploads, forming a link farm. This structure is commonly used to obscure the final malicious destination, likely a phishing page or malware download. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ec9afbe2dd7---2325958549.pdf
- https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/puwixejapadog.pdf
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c773295cfe---kidulovuxivarunovirezadil.pdf
- http://tyextractor.com/d/files/binijiluzafaredesag.pdf
- http://xiaohecollege.com/d/files/43898137739.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1608a1138ad18e---fuxofimumidozekod.pdf
- http://safires.cz/ckfinder/userfiles/files/32340707583.pdf
- http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/16095cc1055875---89886041164.pdf
- http://geonatlife.es//ckfinder/userfiles/files/73160844771.pdf
- http://amadpich.com/userfiles/file/81083820782.pdf
- http://www.pianoszimmermann.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609f04bd06dc6---vetavur.pdf
- http://twfbs.com/ckfinder/userfiles/files/18557186572.pdf
- https://hasekei.jp/userfiles/file/fodezinaroninad.pdf
- http://fitviewer.biz/files/file/zezuvojeko.pdf
- http://studioarchperissinotto.eu/userfiles/files/zunejawosasagarer.pdf
- https://pet-fashion.ro/mm/file/xowofaparimewe.pdf
- https://www.schroedersales.com/wp-content/plugins/super-forms/uploads/php/files/e5ca2a993bb0f20e438ae1c6135b8bc6/75817242283.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/ffed63bceca8358bf673ab141f862d67/gakalagivabodonodig.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/e869118f8ae85d210e1532702991fa58/pajuzarotapojasuzopol.pdf
- https://aterhesseg.com/up_image/file/luvodasukulibuka.pdf
- https://srmhospitalities.com/images/bulk_images/files/xiwenof.pdf
- http://sissonne.hu/editor_up/41686435264.pdf
- https://koreayokogawa.com/ckfinder/userfiles/files/kapanesojowef.pdf
- http://brkvinc.com/userfiles/file/suwunedafudedimedavomij.pdf
- https://asztromiskolc.hu/ckfinder/userfiles/files/86959326627.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=maths+lesson+plan+for+b.ed+in+english+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_off0000e42b.bina7a838bc37240329d19610b65594bd6c264a293262ec1094c38721710044417b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE42B | 16612 bytes |
font_01_sfnt_off00010f84.bin5f1503fdea11366788e7f64b2f29a73279a97dde3d52bea31e94180394d0d5cf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F84 | 10976 bytes |
font_02_sfnt_off00012879.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12879 | 16792 bytes |
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