MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, many of which point to compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The file's structure and link farm nature are consistent with a phishing lure designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9961
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://zdrowejaja.com/Upload/file/2300624065.pdf
- http://bogelaipigeon.com/upload/file/mozefenofux.pdf
- http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e7f66394b---26757936263.pdf
- http://learningkey.org/userfiles/jenoloxixizadaperij.pdf
- http://usmleworkout.com/files/file/11742133596.pdf
- http://www.kammerpop.de/files/file/34015580224.pdf
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb88da839e---67039047237.pdf
- https://phoenixknights.co.uk/wp-content/plugins/super-forms/uploads/php/files/75dd766680ddb06a0f066632dcfa65c7/24303347331.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/5e4651756d84317299823735c661d164/patazitudenakaresitab.pdf
- http://ahcxdq.com/uploads/file/011756048488.pdf
- https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/227a1e56526599bcf935a6623c60b5c7/gadotut.pdf
- http://www.awakohchang.com/image/upload/File/ipuwukufozib.pdf
- https://nadamasristorante.it/file/maredino.pdf
- http://szwygs.com/upload/ziwosonimuruminunatepa.pdf
- http://geotersrl.it/file/3177645324.pdf
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609d9a1f7f3f0---jikozesudavejarudal.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/rcpfm3j3v1d776v410pdi0n28c/52941501457.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/g5t27lujmmur97oc73e33dk8g9/fopur.pdf
- https://creationstationdance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2047551cdb---xumitomulekirasezuxo.pdf
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608631080273f---vajarifojokoxagokebevov.pdf
- http://muskogeeroughers1967.com/clients/9/98/9899c641331876fb313f08ec475a0443/File/neganimekugo.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/99e7ebad9fdfa2138f32fd8409d019d0/63426617271.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=storing+homemade+croutons
- 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_off0000ef30.binf945c0e1ac35966549d96da3efb560c193598bc6c49b5c6dec4ec800fb957d95 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF30 | 10944 bytes |
font_01_sfnt_off0001081e.bind72f08259cf952d7b42ab392f691ef06fc4c2ec61b346a8a1911c50f44cc2f4c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1081E | 20140 bytes |
font_02_sfnt_off00013b9d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B9D | 16792 bytes |
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