MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics indicate the PDF contains a link farm pointing to compromised WordPress upload storage and other disposable hosting, suggesting a phishing or malware distribution lure. The embedded URLs are likely used to redirect the user to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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://kimhoatra.vn/upload/fckimagesfile/lokuxajimodu.pdf
- http://albatrossmrn.com/konadnew/userfiles/file/rakeraletalisolixiputo.pdf
- http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a2fb37194c---gejagulexun.pdf
- http://csc0351.com/userfiles/file/20210724112632_fo4t4r.pdf
- https://datawire.gr/files/files/bopasavotavireve.pdf
- https://leganordavigliana.it/uploads/file/77907798028.pdf
- https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/tktuecla7f0kra1ff9b0i4fs5s/demaxikofevutos.pdf
- http://alltimescare.com/attachment/files/zemoxunerixuni.pdf
- http://bazis-expertiza.ru/ckfinder/core/connector/php/files/11182598930.pdf
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/t7c1dtl81g8mre1vihg6j31ad2/firuwot.pdf
- http://heibldr.hu/FCKfeltoltott/file/35357081506.pdf
- http://thesetnews.com/images/fckeditor/file/11805517944.pdf
- http://childconnect.com/swi/fckfiles//file/93235981818.pdf
- https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/ca7c5d4a23483fcdce7ec764ffcbd622/73360013707.pdf
- https://gertiesbloomers.com/kousumi/nulook/upload/fckimages/file/34365748137.pdf
- https://arichaindia.com/userfiles/file/50260896620.pdf
- http://msslink.ru/userfiles/files/53316913411.pdf
- http://angelescare.com/userfiles/file/fopimipelazezenipuxot.pdf
- https://investir-petroleo.pt/ckfinder/userfiles/files/wagepawinoxojabijuvidisag.pdf
- https://childconcern.in/trila/userfiles/file/4828536082.pdf
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/322cd5e74bf150521955378f561082eb/buxalenerupi.pdf
- http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/77781899065.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=deductive+argument+examples+pdf
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/c3edfa9ac20e9d583725f64bc7050162/xutopilekakafosimerekubuj.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_off0000d5e6.bin9468500ed20021544e41636acdca8383a790af1987e5d99017a86a6e8fe23351 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5E6 | 11112 bytes |
font_01_sfnt_off0000efa9.bin667535ec3669bec1a1071f3baa6e0236b5626a3cdd6bfc6d448bc9ebf0e19a75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFA9 | 17644 bytes |
font_02_sfnt_off00011d72.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D72 | 16792 bytes |
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