MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many hosted on compromised WordPress sites, designed to appear as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to trick users into downloading further malware. The presence of a 'download button' heuristic further supports this phishing-like lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9897
Heuristics 7
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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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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://contentworks.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca785bd764---vakevokuwisino.pdf
- https://mepho.hu/ckfinder/userfiles/files/wudajuforowifiwivu.pdf
- http://artpolyclinic.com/file/files/mulepogizitejote.pdf
- http://thekitchendesignstudio.org/uploads/files/6500114206.pdf
- http://hoshitorionline.com/uploads/files/25404610765.pdf
- https://rjpexport.com/files/95957268386.pdf
- http://samnakthodrahassob.com/userfiles/file/wamotudofo.pdf
- http://dreamsurgerycn.com/ckupload/files/gakufujenale.pdf
- http://asfalon.com/__files/file/69262154398.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a04fe564417---83979840915.pdf
- http://absolutelyneon.com/userfiles/file/monutinibadikejum.pdf
- https://gotoko.com/cmsv2/upload/files/vibumimusetep.pdf
- http://www.loockuniformes.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160a0c80015cae---84987452413.pdf
- https://giustofiori.it/file/botekeso.pdf
- https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/d63jid09p7kio5ots01umo0vr0/neveji.pdf
- http://ksnjl.com/userfiles/files/8595291044.pdf
- https://blogsma.com/files/natizisididejugelabini.pdf
- https://activepymes.com/pub/file/20768058191.pdf
- http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cdf904562c8---92892175980.pdf
- http://blissworldbeauty.com/newerac2c/userfiles/file/diwedugavulolas.pdf
- http://ingenermarket.ru/userfiles/10765919791.pdf
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/2ab9586fa59ddb51e0fe6f69b594a67c/vilipo.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c67ab9596f7---gifejafededa.pdf
- https://poulinstrapscan.com/userfiles/file/numajivokuli.pdf
- https://webmenuplus.com/images/file/14505796698.pdf
- http://cuspsurgeons.com/userfiles/file/mupin.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/e0bc24fab35f85667e558d10950c9355/kironati.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=modenas+kriss+100+service+manual
- 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_off0000fbbf.bind19b96bf0bf39f90d53813329a9335c14abbcdd6b15655210af4c6f558bea56c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBBF | 22600 bytes |
font_01_sfnt_off000136f7.bina5228450fe66b8e0c2cbdfd262cafbe9647bded57e5d688de86cc843fa6b6ebf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x136F7 | 10856 bytes |
font_02_sfnt_off00015018.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15018 | 16792 bytes |
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