MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm designed to mimic software download pages, specifically mentioning 'jumpstart dumpper v.40.1 free download for windows 7'. Several URLs point to compromised WordPress sites, suggesting a tactic to host malicious files. The ClamAV detection and ML classifier strongly indicate malicious intent, likely to deliver a phishing or trojan payload.
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://catamma.ru/uplcv?utm_term=jumpstart+dumpper+v.40.1+free+download+for+windows+7 PDF link annotation
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/f2ca646d843e17c91fec274080192e40/mekesiramefirenuji.pdfIn PDF document text
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608240c6bcc40---66690294895.pdfIn PDF document text
- https://luxmarketing.agency/wp-content/plugins/super-forms/uploads/php/files/7s3m4a85tad6t3d00mpm3970vr/25732416140.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/9bebcc5ba635dbda1260266c48a34aa9/sateli.pdfIn PDF document text
- http://asbu.net/uploads/FCK_files/file/56253051372.pdfIn PDF document text
- http://bigandtallking.com/userfiles/file/tolepuzoma.pdfIn PDF document text
- https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/cc58f62a30bbae474e3c0df284a67ac4/nijaguli.pdfIn PDF document text
- http://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/u160anvjfkvtb8jqisn8vi68ha/pazojosoleja.pdfIn PDF document text
- http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/3b103e4a90b6a462b6b010a2dbca15c0/fatevuje.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/zegojapirovudoxipumod.pdfIn PDF document text
- https://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/fa7ad607830bb80a4f137ec43d40b903/lovokitesipigivowezuxarop.pdfIn PDF document text
- http://yuanjen.com/ckfinder/userfiles/files/pajik.pdfIn PDF document text
- http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b34e1ee93e---xofavolavig.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/be46a30481cba431f6eac70ea14b2609/femekaneranilalaf.pdfIn PDF document text
- http://dynamic1984.com/user_file/file/54226846962.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_off0000f186.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF186 | 5720 bytes |
SHA-256: 97bb2e259665e892c7247b74604839d719711f1d97d0b4d194524625485353ee |
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font_01_sfnt_off0001050f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1050F | 10928 bytes |
SHA-256: 208b337d1d71646ff6ae436288237d0d6a2a87c05f374670ac867bfc2d88d761 |
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