MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm designed to trick users into downloading a password-protected archive, a common tactic for phishing or malware distribution. The presence of multiple compromised CMS upload links and disposable hosting further supports a malicious intent. Although no scripts were directly extracted, the overall structure and heuristic firings strongly indicate a malicious document.
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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://queure.ru/uplcv?utm_term=fone+para+descargar+talones+de+cheque PDF link annotation
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab48c35d5bf---pagakisakogelivubepubawi.pdfIn PDF document text
- http://dzbnf.com/upload/file/%5C/xanika.pdfIn PDF document text
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16092d1bc62069---5155510177.pdfIn PDF document text
- https://www.alphaveneers.com/wp-content/plugins/super-forms/uploads/php/files/1e0f4d33587d94bd863b3d614aafcdeb/47516674021.pdfIn PDF document text
- http://gostinica-domodedovo.ru/files/xuvonikimelafana.pdfIn PDF document text
- http://alisawedding.com/upload/users/files/duropujajopigolixob.pdfIn PDF document text
- https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/9b8055d3c208e492af878c2f81bf5820/46438519691.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160989c69ec0ae---63937495179.pdfIn PDF document text
- http://www.peopleoftheheath.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba52282aba5---rifabosob.pdfIn PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/94264496981.pdfIn PDF document text
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609665bde4eaf---21076965693.pdfIn PDF document text
- http://www.annaleehuber.com/content_files/file/zapatupejuwufazagos.pdfIn PDF document text
- http://0-50.ru/userfiles/file/vagodiniredewu.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/t0fvdid576vhgbm6o2hb9qajp1/19046012751.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e990.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE990 | 3312 bytes |
SHA-256: 082c89522e4251f0a814862fddf633b1dac669eb780a02580130c1f52bfffe84 |
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font_01_sfnt_off0000f571.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF571 | 5416 bytes |
SHA-256: 4fb5f7d555786d2e8532ef00f4387fc390d43052971e2e95e9dd7391efb1b0c7 |
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font_02_sfnt_off000107cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107CD | 12064 bytes |
SHA-256: bbc4342673b2aadd2ecc443043537d8dc446d1f10b955eda9fa5e2db2640afbc |
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