MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple domains, several of which are hosted on compromised CMS platforms. ClamAV and ML classifiers have identified this file as malicious, specifically a phishing trojan. The primary attack pattern involves luring users to click on links that lead to potentially harmful content or further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://dananeye.com/uploads/files/202108312331029734.pdf
- http://1utilaje.ro/mm/file/85390494441.pdf
- https://dadesigning.com/daduserfiles/files/35783993606.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/1751b5b7186e5ee6a8da4510a3b3e562/36110307845.pdf
- http://morgancountyoh.com/userimages/sonixepi.pdf
- http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/46021734901.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/olmvnsins97v97mskf3a48f740/52174223433.pdf
- http://jocoseatee.com/userfiles/files/depimalezudemev.pdf
- http://classicalgardenfountains.com/uplds/file/65757890728.pdf
- https://aspit.ro/imagini_ws/78000001369.pdf
- http://cdseoulps.com/uploadfile/fckeditor/file/panujig.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136dad76c128---9697511550.pdf
- http://www.impactit.in/ckfinder/userfiles/files/58368154162.pdf
- https://pmms-online.com/assets/file/noliledimanowibegadera.pdf
- http://gzbaosui.com/uploadfile/files/11104433761.pdf
- http://builderall.info/userfiles/file/sazariwotavuwirujamin.pdf
- http://anpo.vn/upload/files/ronejaxilusaxo.pdf
- http://poultech.net/d/files/63677797765.pdf
- http://oaklandscreche.ie/userfiles/files/xutodaz.pdf
- http://studioferrato.it/userfiles/files/75118556159.pdf
- https://sanagustin.cl/files/19694381130.pdf
- https://drhuanghair.com/uploads/files/202109010756541174.pdf
- https://hattshopping.com/admin/assets/images/ckfiles/dipejuno.pdf
- http://midesignvn.com/uploads/files/zuwubewirus.pdf
- http://factorycontrolprojects.com/userfiles/file/4939211239.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=defense+io+games
- 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_off0000b5c4.bin19228f73435782405fc0061c7d3839b40d190cd5481bf41f7b20a053fbfdda90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB5C4 | 10316 bytes |
font_01_sfnt_off0000cd03.bin6f9768bdb548fd1470fa9ed109ce1dd731ab91301360519fef90ad2dd77c9174 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD03 | 16876 bytes |
font_02_sfnt_off0000f8cb.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8CB | 16792 bytes |
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