MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a malicious PDF, as indicated by ML classification and ClamAV detection. It contains numerous external URLs, many pointing to compromised WordPress sites, suggesting a link farm or phishing lure. The PDF's structure and embedded content are indicative of an attempt to redirect users to potentially malicious sites, aligning with spearphishing attachment tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9969
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://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/16144e62d408aa---bivititofarozudalowigozux.pdf
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/16132e1a602190---9735574630.pdf
- http://haisushitogo.com/uploads/files/65369672575.pdf
- http://scro.ru/pic/file/10341092762.pdf
- http://sinocelltech.com/filespath/files/20210914105702.pdf
- http://studionegro.net/userfiles/files/lezizikujelawu.pdf
- http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f391d3469c---3090263024.pdf
- http://sgyscom.com/upload_fck/file/2021-9-12/20210912210913994096.pdf
- http://bftt.marketsearching.com/upload/files/pojabatexipedofelumunimir.pdf
- https://mami-m.com/Uploads/userfiles/files/85982733251.pdf
- http://consulcongress.it/uploads/assets/file/tosopif.pdf
- http://cleangroupbd.com/ck/upload/files/tufuponolexejo.pdf
- http://litho-and-co.fr/ckeditor/upload/files/zigajalebavejaw.pdf
- http://maslatalaia.com/userfiles/file/36223599382.pdf
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342b13408cb---dilafesuvum.pdf
- http://explosivedevices.ru/media/file/buxiridizodin.pdf
- https://srinivasagroup.com/ci/userfiles/files/20788916779.pdf
- http://quaisetoiles.fr/img_pages/file/ruwojutusazadozoloke.pdf
- http://donauwell.at/userfiles/file/4748359086.pdf
- http://vectorma.ru/uploads/assets/file/xirizefosuxegus.pdf
- https://happycondo.leaddeehub.com/userfiles/files/50961391348.pdf
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cbbb0c3633---dezizoj.pdf
- https://b2b-intelligence.it/uploads/file/88415157296.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=the+house+full+movie+free
- 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_off00011060.bin3f8273f584f207571cec00f2667b266a8343b8acca98018e3db34f5c9b45f3ad |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11060 | 17328 bytes |
font_01_sfnt_off00013d49.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D49 | 16792 bytes |
font_02_sfnt_off00015560.bina17d9f094b844fb25b697e095b0a97c367fd53a508fcb308b6dd7547e20e4a76 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15560 | 10244 bytes |
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