MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous external URLs, many hosted on compromised CMS platforms or disposable domains, suggesting a link farm designed to redirect users. The presence of embedded URLs and the nature of the heuristics 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://crysiq.ru/uplcv?utm_term=low+blood+sugar+hangover
- https://amitadevnani.com/userfiles/file/wotapowuxijeg.pdf
- http://martom24.pl/martom/userfiles/file/gudilajepi.pdf
- https://sasalidayanisma.org/uploads/file/jozarunimezirebubamet.pdf
- https://ajur.rest/uploads/userfiles/file/lojijetaveberox.pdf
- https://gw21.ch/uploads/userfiles/file/94656917216.pdf
- http://amirafouad.com/uploaded_files/file/36370775774.pdf
- http://moreit.ch/productinfo/file/39087087332.pdf
- http://uppercanadatwocylinderclub.com/clients/877835/File/5342932755.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/a9e172d3e8399d3df01239e40eb47d89/vonesojiraxivovotol.pdf
- http://basaritarim.net/admin/editor_resim/file/powosokoxubaxefid.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078b53074e6a---vibalojudovajaf.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/a7bd0b3ba00c5852c5e4baaae1e3028b/jazikoni.pdf
- http://uniquehotelsolutions.com/files/others/19898783115.pdf
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/bb7582130c5dc32ddd2cb5feca9819fd/xezewefonoxasunar.pdf
- http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ff0f7ad45---kiroj.pdf
- http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b112f790c50---93912212055.pdf
- http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095d3e9952dd---21561770075.pdf
- http://timatey.kz/wp-content/plugins/super-forms/uploads/php/files/hvf5s560li8n28t9i3npfbkhr3/91041551872.pdf
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a213879a335---bofixutu.pdf
- http://sahamit.net/userfiles/file/20633885817.pdf
- http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9bae2216d---89071403788.pdf
- https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607a334c4b611---75766196879.pdf
- http://alumcity.ru/userfiles/file/japiserifa.pdf
- http://myucmas.com/userfiles/file/zojewaje.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_off0000d57b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD57B | 16792 bytes |
font_01_sfnt_off0000ed92.binbb154a35c60eb338b00657db809519ec3d0fbd8bb3dc69cf54dbfd5f8c8eaeb8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED92 | 10684 bytes |
font_02_sfnt_off000105d7.bindc7ad7719364200bd686330c5b0e263a93f910dd46b58bddf0a0a070c14a0a0d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105D7 | 16408 bytes |
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