MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to multiple compromised websites hosted on disposable domains. These sites likely serve as landing pages for phishing attacks or further malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c1854fe7ff7---dudetujuwejexevogiwikubo.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/2d38b2b4a52fbf2ff5d3d1f686ad2586/gibemor.pdf
- http://abwmechanicsville.com/uploads/files/87251523314.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/0b35fa704de2a2bef0c3969b39d02247/nejoxunavu.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/f8ac80488833920a925bb2e18b6cba1d/zabagamexorijomijuvowe.pdf
- https://www.cittadelmiele.it/wp-content/plugins/super-forms/uploads/php/files/d839c4f4d44c7b31d12eb9f9f9fd67b6/bojazuteg.pdf
- http://ztkammer.at/uploads/file/51930773373.pdf
- http://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/16081fc5c7c091---37533186.pdf
- https://preprodpcb.com/userfiles/files/lufegubirotomexanikub.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c984ae50217---89996555935.pdf
- http://ineke-ott.nl/keramiek-beelden-imagesfile/70046143049.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/16095f0c987247---rurexobavixatu.pdf
- http://assessmentinsight.com/ckfinder/userfiles/files/zitinuvob.pdf
- http://billedbutikken.dk/articlefiles/file/61273844231.pdf
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/2d24d1ea7bcae9bd1bb793adac1a7a5a/45670723780.pdf
- https://www.criteriainvest.com.br/wp-content/plugins/super-forms/uploads/php/files/umftmq55dbm30i4fpfbjk2667n/befojatukulifiwopaj.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608b13773067a---67274111109.pdf
- http://allasclub.com/campannas/file/nuwitusizuxilodagaximeve.pdf
- http://rethabise.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1609c73ddcfc63---63130447481.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afc85d878d0---96076835542.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/071ea80042ca01135d00d866a0ab33f3/tavuvajaboporuga.pdf
- https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/b8b082e863afa2fc3e5b524bca104f48/96822599820.pdf
- http://anhopphat.com/uploads/files/vuwaxisumof.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=eberron+map+of+khorvaire
- 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_off0000cd77.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD77 | 16792 bytes |
font_01_sfnt_off0000e589.bin4707d99cc48f0e6ad154d28d32a1329170ebc05286e1cc99222282d314e54671 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE589 | 16852 bytes |
font_02_sfnt_off00011157.bin3a95cd78758b2ea4e2e5a0881f48f2a8f903b43a474d1dab7bf2a3dea9664404 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11157 | 10592 bytes |
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