MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users to potentially harmful content. The presence of these links and the overall structure point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1e3862137---rofajabizir.pdf
- https://aduanaldelvalle.com/userfiles/file/ravurawebokuvaruvami.pdf
- http://ahrestygz.com/userfiles/files/20210701_020431.pdf
- https://www.kiakaha.gr/wp-content/plugins/super-forms/uploads/php/files/gsam9i5882moaumjs29tb66q47/649921297.pdf
- http://wearefamilypalestine.com/clients/3/3b/3bc38fc23f9ffb54b20226cbd6ad6ce3/File/demid.pdf
- http://shethof.ch/cgi-bin/dynamisch/file/fiperumunerofamum.pdf
- http://apsons.eu/files/file/ramigasota.pdf
- http://otoozevran.com/resimler/files/96351471617.pdf
- https://kisikana.hr/UserFiles/files/zitemevugonewunizoz.pdf
- http://queuemanagementsystems.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607026dd8d992---87223117496.pdf
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb855152d2---48521253398.pdf
- https://aftaplan.com/works/peepsparty/html/upload_files/file/80333153465.pdf
- http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609189424eca9---vadisizutera.pdf
- https://agermag.ro/mm/file/21279408379.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607b0b229e1d9---51297171614.pdf
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/ff99a1f24dba9abb7ab30b982ae222aa/jumujumigodugekan.pdf
- http://alpanelektrik.com/depo/sayfaresim/file/pobesejikojopavoxevixome.pdf
- https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/47mqg63611emk9d7jeshrg3sde/76991960891.pdf
- https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073e0a0dff2c---suvatanoworiwokov.pdf
- http://vo23.ru/upload/file/82901106743.pdf
- http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160c9457c89487---5108107500.pdf
- http://prvugkh.ru/uploads/files/zelinubudenotenup.pdf
- http://mid-europe-ex.com/23183934298.pdf
- https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb1281ee494---91694803638.pdf
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/8d305f1997b8341756a38d12e8d27743/8117826366.pdf
- http://hart-metale.pl/gimnazjum/userfiles/file/43884036754.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=what+of+this+goldfish+would+you+wish+story
- 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_off0000c539.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC539 | 16792 bytes |
font_01_sfnt_off0000dd50.binc4169ab833871d665b01004761f8dc929bdc590777386c8b40368eda17466bfc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD50 | 10688 bytes |
font_02_sfnt_off0000f5cb.bin01be4d3de1cd358ccf074b3cc632b6806c82d8410c660c446aa0fefa1ed9a521 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5CB | 15964 bytes |
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