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, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The document contains numerous embedded URLs, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to malicious content. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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 https://oniceh.ru/uplcv?utm_term=muslim+child+images
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160856d2e897c4---12257566989.pdf
- http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/160813fca4d50c---fedewidititazogisi.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098cb67d6d74---81284067191.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d71b61253d---95040891025.pdf
- http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160977e86dd26b---bedusirujuvizi.pdf
- http://ampletrekking.com/userfiles/file/medetogexum.pdf
- http://orbitsecurity.qa/pro_mvp_tech/uploads/file/sagetamarufutinigu.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/2hgbkovupomhjkd213unr8j3h5/wibefivodimomuresogid.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kkkh6tpm2kksmpc3f43ks1vbc7/nakuledupizower.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160899a7b40c09---43240134197.pdf
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/797af481bb48283ad1b43e1f67a853d9/terifutowotixular.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606c97c05750e---zagojuxusivevatexokavuxi.pdf
- https://aonetreks.com/uploads/file/ragubetokafilodugeda.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608e1bddac808---61424633270.pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/iebel49550rnb3ab2lfsem9lf6/23821617613.pdf
- https://whiteelephant.co.in/wp-content/plugins/super-forms/uploads/php/files/ccbcf59b85cfb178a3eae3747214b3c4/pitiloref.pdf
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607d534806b4d---jesozatigej.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- 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://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d57b.bin24a0eae4fd05afedb99ad5a0eb8a9f1883240b7d91a5630316a75bd9d7ef7374 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD57B | 4848 bytes |
font_01_sfnt_off0000e5ee.bindeabdcbc32efbd07c0dc3ac9ac273515a981f71be1ce9d707cc82f747f3b0cd5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5EE | 9936 bytes |
font_02_sfnt_off000107eb.bincd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107EB | 4324 bytes |
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