MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains a link farm pointing to compromised WordPress uploads and other disposable hosting, suggesting an attempt to redirect users to malicious sites. The presence of external URIs and link farms indicates a likely phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 https://www.mercedesbenzofaustinservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d6166ea19bf---2825188899.pdf
- http://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8a5be8620---7819492253.pdf
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc19d651cd---58247848139.pdf
- http://jaluzipro.ru/public/userfiles/file/polasuzorujamulalomix.pdf
- http://polyalpan.hu/_user/file/fekupozexitogaki.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0a2c17fc76---rawumisakelologi.pdf
- http://stylekd.ru/files/vopozidunefa.pdf
- https://xistenze.com/files/files/xejubekas.pdf
- https://bleikss.com/userfiles/file/namuvevijib.pdf
- https://aawyx.com/sites/default/imageuser/file/99548853543.pdf
- http://ilkemymm.com/image/files/69393517497.pdf
- http://amandamaitland.com/images/file/669738173.pdf
- http://saokienviet.com/uploads/image/files/sosezoxilemogoluxux.pdf
- https://ddshower.com/ckfinder/userfiles/files/pumosubobekafasutugalude.pdf
- http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/7tr0j3imajjv1lgkbud5ufidhq/wudotuzutivazegu.pdf
- http://wannawwannie.pl/userfiles/file/78280883584.pdf
- https://aimhc.com/userfiles/file/pumutalatavobopegemeraval.pdf
- https://bilalyapidekorasyon.com/userfiles/file/66021487677.pdf
- http://lblussana.it/images/file/detigimud.pdf
- http://bukhatirhomes.com/userfiles/file/51654853401.pdf
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160872584a16de---27295857505.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/d7a1fac858729cff885b84f5deb44de6/lovezadis.pdf
- http://grafiport.com/userfiles/file/5511576275.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=tesco+mobile+ireland+internet+settings+android
- 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_off000101ba.bin81ead98f5d9fa0f5bfa4e9e867fd5d429a71c4dd34ec6412312863fa87dce01b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101BA | 10816 bytes |
font_01_sfnt_off00011a6c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A6C | 16792 bytes |
font_02_sfnt_off0001327e.bin39bb78fdb52a69ebf33aecc0152ac97da99b01f01b646b57eec225381652a202 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1327E | 17328 bytes |
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