MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The numerous embedded URLs point to compromised WordPress sites, indicating a likely phishing or malware distribution scheme. The file's structure and URL patterns suggest it is part of a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608b452c82f23---65917961977.pdf
- https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/b1e28b39855dd8b4ca4519926b0d2a38/96854324891.pdf
- http://voszveszprem.hu/_user/file/kafojaxilolakene.pdf
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1c1c7c19a---rugarirawiwidokitefoziri.pdf
- https://vicotelecom.vn/static/source/images/file/pudupabelagisidojikakoxob.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/dstpknd447n66i60i0mek3q293/kepenefiwen.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/207ce882d9e45d805d1cd64e52572c42/zepodizuje.pdf
- http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/16090d8e3b4861---60265306919.pdf
- https://aplusadvance.com/naver_editor/data/file/84750249392.pdf
- https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/64fff52785f40547719637ab727846bb/23113232459.pdf
- http://baharemadinah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0b9c4e446---59407797804.pdf
- https://wickedcheesy.com/images/file/nerovufamidejapagilimo.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a695231bd---46479786948.pdf
- http://aucoindeshalles.fr/menu/file/vitakusoxobo.pdf
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/k66vjhn2ke4l9tvjpce3uf5bbm/64928794687.pdf
- https://nazragame.com/calisma2/files/uploads/94126954230.pdf
- https://aliencosmicexpo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081e28387d44---6271136157.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606f67cb5e443---47917415605.pdf
- https://epiphanych.com/images/file/88849101256.pdf
- http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084976049bbf---116316326.pdf
- https://www.ptlittleflower.org/wp-content/plugins/super-forms/uploads/php/files/2poqq8kdo309960sqfprr1tbg4/lunikixisitixosetinarepuz.pdf
- https://binarbaid.com/public_html/userfiles/file/79615328111.pdf
- http://jar-ted.pl/file/14152758173.pdf
- http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a01dae25081---6713234856.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/4ku15skh6cbu5c2inhh2965d82/mitigifa.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=meaning+of+break+even+in+business
- 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_off0000f5ce.bin88d56cbbb49b7a01e5e13d4ab3b5cd5bfd4f960e130131bddb2414987e819171 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5CE | 10636 bytes |
font_01_sfnt_off00010e49.bine44041daa3a4063030910279d98528b2577e30642c65c64a1470614337ab51e2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E49 | 16816 bytes |
font_02_sfnt_off000139b4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139B4 | 16792 bytes |
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