MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document is identified as malicious by ML classifiers and ClamAV, flagging it as a phishing trojan. It functions as a link farm, directing users to numerous compromised WordPress sites and other disposable hosting domains, likely to deliver further malicious content. The embedded text suggests a lure related to "Nitro type hack 2021", indicating a potential phishing or scam attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://drafthe.ru/uplcv?utm_term=nitro+type+hack+2021 PDF link annotation
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bdd7e32bf9e---6085429564.pdfIn PDF document text
- http://www.carolglassman.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca43029980---totumabux.pdfIn PDF document text
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/tlespvg9op5p86npf7d6mv0bp3/15244344977.pdfIn PDF document text
- https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/cab0b7613571c6685deaaaad3a3c074b/48749593706.pdfIn PDF document text
- https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/m7gs6a76tduasjrdoj022f3apa/dolipoxavarezadelogisi.pdfIn PDF document text
- http://21cedu.com/pds/userfiles/files/10317645561.pdfIn PDF document text
- http://alexlunacoach.com/img/editor/file/80148101348.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a62d56a251b---vukurewajexup.pdfIn PDF document text
- http://jinanxintiandi.com/userfiles/files/65856068676.pdfIn PDF document text
- https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/f4b9e92f3bf555723563956a8de8d987/resisazesawilotepidudalux.pdfIn PDF document text
- http://www.cascinasorigherio.it/wp-content/plugins/formcraft/file-upload/server/content/files/16080d9febfb75---94495418357.pdfIn PDF document text
- https://adreshosting.com/calisma2/files/uploads/bogaxonanaxefutopif.pdfIn PDF document text
- https://rhdplumbing.com/wp-content/plugins/super-forms/uploads/php/files/741bbee54a324beb7b80730ea9674ef8/pifamafuvawadesadixipotuw.pdfIn PDF document text
- https://ecef-groupe.com/wp-content/plugins/super-forms/uploads/php/files/mvj0sr05d61o4n9onuuqkaos77/kusowofisusobelon.pdfIn PDF document text
- https://cargotavio.ru/files/file/gebizovevopodogutelobegu.pdfIn PDF document text
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c8f4e03f86---4428805603.pdfIn PDF document text
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1607ab69cc2a21---mesemufexasirolexis.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d25c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD25C | 5272 bytes |
SHA-256: 534db16e0bf78efb3028d57c3248db5f70dfd0b4426da6a8bf78c23b29a98164 |
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font_01_sfnt_off0000e453.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE453 | 10716 bytes |
SHA-256: 3ea00bbb4e4b8d5d901fa08e1674dcb0cfc07e7871af32db63183467c1cd74b5 |
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