MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as a malicious PDF by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised WordPress uploads and disposable hosting sites, likely to distribute further malware. No scripts were extracted, but the overall structure and URL findings strongly suggest a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://rts-3.ru/upload/files/79462249672.pdf In PDF document text
- http://agcslohian.com/userfiles/file/bapikabikonisazu.pdfIn PDF document text
- http://mtecommerce.it/public/news/file/xanuvezisof.pdfIn PDF document text
- https://jnfarley.com/wp-content/plugins/super-forms/uploads/php/files/88ktkge6fbm8kpv0irnrr80d73/79396639703.pdfIn PDF document text
- http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adca3a727a0---jeviliwubakupem.pdfIn PDF document text
- https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/585692f5c6c4d980bf419980d16b5d09/80438722565.pdfIn PDF document text
- http://profisystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606d03df5c5c2---wegusimosagiratatege.pdfIn PDF document text
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16098294f6d555---xedaluwatelalube.pdfIn PDF document text
- https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/lh2kdck4ckn35ff62dm17pu493/45669311410.pdfIn PDF document text
- http://virus-safe-zone.com/ckupload/files/23877051893.pdfIn PDF document text
- http://edanieltour.com/FileData/ckfinder/files/20210529_5A721858AE80101D.pdfIn PDF document text
- https://privatecambodiatour.com/userfiles/file/koravukexud.pdfIn PDF document text
- https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/uf67n139pied3ts8t258mb5qvh/76829081572.pdfIn PDF document text
- https://lakecountyoralsurgery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073ddd285ed3---sasufarev.pdfIn PDF document text
- http://a-kamen.com/userfiles/file/1238059086.pdfIn PDF document text
- http://keletunderground.hu/images/uploaded_pics/file/21357811313.pdfIn PDF document text
- http://doks-films.com/pcms/content/file/zevavewebewilobivorebizo.pdfIn PDF document text
- http://spadhotel.com/basefile/spadhotelcom/files/57056380368.pdfIn PDF document text
- http://hillsclinic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/kagotujivoxu.pdfIn PDF document text
- http://mfcwestenkwartier.nl/beta/userfiles/file/kopakak.pdfIn PDF document text
- https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/ofmb3frluqgdomd7166udetm38/68978592811.pdfIn PDF document text
- https://kidneystonetreatment.in/userfiles/files/nofonoj.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16083947031b0e---fajadokazuzuxatabakapade.pdfIn PDF document text
- http://silesiacapital.eu/data/file/nabibejepupowu.pdfIn PDF document text
- https://www.americansummercamps.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073724c01eca---mutaxipisozes.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=how+to+defrost+mince+quicklyPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f56a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010d7c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7C | 17640 bytes |
SHA-256: 01ea396dd9a4fc3ace3e4f7ca936fae6a59f631558104c3a696010b5c57e5aa8 |
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font_02_sfnt_off00013be6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13BE6 | 11004 bytes |
SHA-256: 88c057770f27a3c90eaa403a3112feca1636bd7c103ec3d4d093f5db75f9ea9f |
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