MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file contains numerous embedded links, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URLs are indicative of a malicious document designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/7fmlpv2i74pij9oqu44t1u6sle/53275734652.pdf
- http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a414c108b4---76237848053.pdf
- https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/b29f5736a0b607de0b8543ad971af2c9/sitorisafip.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/j59fjkj1lc5t7qktf6vtj8trp7/lerogepafufirolixete.pdf
- http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608430b2adcd4---7257805873.pdf
- https://mymango.ru/wp-content/plugins/super-forms/uploads/php/files/483346442e15e2daad3bcaca814db4aa/32211989480.pdf
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/q3btpe161b9f4qlnm5q7aiaf70/buxagusuvazarixe.pdf
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16087292249ad7---20845704904.pdf
- http://chicagohalo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fdee528a06---52693081112.pdf
- http://www.megasaludips.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082cc147dfd7---58250703327.pdf
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0f35d8967---gonosakowise.pdf
- https://airshow-bg.com/file/67835020918.pdf
- https://thewentworthco.com/wp-content/plugins/super-forms/uploads/php/files/qrs2vuvk4f4q1kmkhdol7dq8kl/61453394713.pdf
- https://pointsourcegroup.com/wp-content/plugins/super-forms/uploads/php/files/6299194217926b8066453631056f2144/dolivuwuvamifebadow.pdf
- http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/eaece27fa1677fc9a1838b44d5a52026/resijopof.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+make+easy+friendship+bracelets+step+by+step
- 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d26d.binef7e13c9249f4f3399a250bb38a28ad4d11649951d0e225cb030eca877cf310b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD26D | 5756 bytes |
font_01_sfnt_off0000e5e5.bin03056583c583a0b770959c2e632b666fb3c008205c8d04234962dbcb451a82c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5E5 | 10292 bytes |
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