MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF that contains numerous links to external resources, many of which point to compromised WordPress sites. The ClamAV detection and ML classifier strongly indicate malicious intent, specifically identified as a phishing trojan. The presence of multiple links to potentially malicious PDF files suggests a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c92dac17c0---44622101229.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b89ea9f26cf---sinanagiki.pdf
- http://danielbushreunion.com/clients/41596/File/pafiseteruxalukabuxon.pdf
- http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160792f6519ab5---dufoxofekivum.pdf
- http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc1b464a29---3011523294.pdf
- https://centrosteadycam.it/wp-content/plugins/super-forms/uploads/php/files/195ca2848e8ddafa704e07d6371fff78/mapegumadana.pdf
- http://aftckwt.com/uploads/file/zutajalifukojibasatutaf.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/9nl961pjrbresvd0g8s0iu8he3/7731473116.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/3f1b8b5bff97863e37e02d6b31bd3eb3/nuvotonuwamosej.pdf
- https://monuments-msk.ru/wp-content/plugins/super-forms/uploads/php/files/a010f34899179f14ddb944bb46ed01db/lifaligebilinif.pdf
- http://kursadowicz.pl/Upload/file/vajileleteburixeva.pdf
- https://broadcasthub.com/ci/userfiles/files/53507940304.pdf
- http://associacaoguainumbi.org.br/wp/wp-content/plugins/formcraft/file-upload/server/content/files/16086ddb8f23ee---877674350.pdf
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/21ed0873e54031d0321538450ef893cb/totolamisubizozadara.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/r6l9g3rg2jgtvpaojvdjcvs3fv/pavazodi.pdf
- http://anhbanglaw.com/userfiles/file/21679674641.pdf
- http://supair-lux.hu/ckfinder/userfiles/files/pilebasokozag.pdf
- https://hophamthaibinh.com/upload/files/jisajozaxur.pdf
- http://xn----7sbab1bcaqplb0ccyi9d.xn--p1ai/files/file/59694845192.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/f5itlpgan9u3r2iial087jhfmb/30967124.pdf
- https://sailstudy.in/ckfinder/userfiles/files/latanodegigikodunun.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b7c2f502a87---74409782756.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16098324e896d7---tetilax.pdf
- http://galeriejacqueselbaz.com/userfiles/file/11176159368.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=architectural+synopsis+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_off0000f38f.bin960f06abea6b8b4103ede30e9074085f003a5bb82e88e010742b1544fe07668e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF38F | 16824 bytes |
font_01_sfnt_off00011f4b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F4B | 16792 bytes |
font_02_sfnt_off00013762.bin19bc8f1ce75314d0d0d1614c21ae824c8b9cc12b7ea0484bef2326baa139d373 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13762 | 10912 bytes |
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