MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as a phishing trojan. The file contains numerous links pointing to compromised CMS upload directories and disposable hosting, suggesting it is part of a link farm designed to redirect users to malicious sites. No scripts were extracted, but the overall structure and URL patterns indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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/160b988bbbf8dd---feluganipufafub.pdf In PDF document text
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/202166659329149.pdfIn PDF document text
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc0859b340---71909798979.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/94bb927cb345c81cb64100868edae1ad/85084985812.pdfIn PDF document text
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/ijnn8vvh3ro1k03npbie2cdv9m/36113712936.pdfIn PDF document text
- https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/839a33fb383205329d27acfda0cacce6/fenubixipoluziruzazuzo.pdfIn PDF document text
- https://landbondcorten.com/attachment/file/6b4e9b8122dadd32697c15ad3bc8c910.pdfIn PDF document text
- https://medtek.vn/storage/file/rigozirurunava.pdfIn PDF document text
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16089c1e70fe5e---dozekezujunofew.pdfIn PDF document text
- http://gramercygrand.ru/files/file/wutatetebejapujur.pdfIn PDF document text
- https://cochleartudaskozpont.hu/files/mijilemegobexuforejog.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a6643387286---kujunibakunotov.pdfIn PDF document text
- http://drairtools.com/ckfinder/userfiles/files/tedibutekidiw.pdfIn PDF document text
- http://alnoorcity.com/userfiles/file/22698211424.pdfIn PDF document text
- http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a253614250---60441972135.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/vcfaphqo4ld9gdgif6g31aieim/janug.pdfIn PDF document text
- http://funperm.ru/content/file/nitusubevelujaxuxuloje.pdfIn PDF document text
- https://goooinggroup.com/userfiles/files/20210622_153108.pdfIn PDF document text
- http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d11c4ed77d---lozatovomojufof.pdfIn PDF document text
- https://mama-light.net/business_school/uploads/file/kowobimegawop.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/1f2b0a6bba6674b10a44438d099b76fd/wemoxegowiritogebiroli.pdfIn PDF document text
- https://grafitpoint.ru/wp-content/plugins/super-forms/uploads/php/files/adff9684e231fb6205d96c9fa5af9a23/zixajogudezekulam.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609046e3be58c---22032853875.pdfIn PDF document text
- https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/e71a1f5490178306dedcd889b293ec78/83582814284.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=rm+to+mp3+converterPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cfe5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFE5 | 16960 bytes |
SHA-256: 41a433915ef19c0af7210fc9cbd21c125a18f407a083fd812aa06377a818ab32 |
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font_01_sfnt_off0000fc03.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC03 | 10348 bytes |
SHA-256: 52a436d5ac37eea502565e6fba835c8dbe20fa15156960083c58e4b2d0b91302 |
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font_02_sfnt_off0001136f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1136F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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