MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was flagged by a machine learning classifier and ClamAV as malicious. It contains numerous embedded URLs that point to compromised WordPress sites, suggesting it functions as a link farm. The primary purpose appears to be directing users to potentially malicious content or phishing sites.
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 http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160a47918b8f86---59607246907.pdf
- http://szao-spb.ru/images/news/file/12470450999.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/rh5t9rfmipis3obpv64ttm30r3/91535010518.pdf
- http://math-talk.kr/wp-content/plugins/super-forms/uploads/php/files/qk9f07qfmev16d6c1s8nc5mnlh/norodofesumabunolo.pdf
- https://alshamiltrading.com/alshamilfiles/file/xapasubimow.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094cf4030577---negelemiditaligaz.pdf
- https://beautyyaurient.com/editor_upload/file/23817542875.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160759dd530a29---ponixolemopap.pdf
- https://canadianrelocation.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607e82d37fc6b---31372529094.pdf
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/70821820403.pdf
- https://momsgardenfoods.com/ckfinder/userfiles/files/gisupuwasubipafikuba.pdf
- http://themultifold.com/wp-content/plugins/super-forms/uploads/php/files/snoe0nm91ce2t5a596u4bv25d0/48029097617.pdf
- http://www.siposferenc.hu/html/xopafejumuragazutuga.pdf
- https://vgi-vn.vn/app/webroot/img/files/80116572078.pdf
- http://tsg-edinstvo.ru/userfiles/file/39726973668.pdf
- https://actor-conseil.com/files/file/soxoxekajuvavabet.pdf
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4ade2805f---14539247169.pdf
- http://technocom.pl/editor/file/86541084314.pdf
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/67atcl0uiv91von9arpikdsebo/sizubuwisodapujobezov.pdf
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075691b19245---93014105502.pdf
- https://thaiahpa.com/flash/files/82004321977.pdf
- http://jhferry.com/data/fckeditor/file///rebuvelul.pdf
- http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca8d78b6cf---73484365770.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/senon2af6j0g49ugl6ubf40522/wagokuwez.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=welcome+message+for+parents
- 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_off0000ce29.binf6163d7ba7b83c28cf0b74e14ee0f38fe53f0adc7919c8d3b802833d0c703374 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCE29 | 17504 bytes |
font_01_sfnt_off0000fbe2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBE2 | 16792 bytes |
font_02_sfnt_off000113f9.bin3ff4f269578c96ca8a22a1ba219072ab32b10b47bae86d64573b7a42b463dd90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113F9 | 10724 bytes |
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