MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious 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 CMS uploads and disposable hosting sites, likely to facilitate a password-protected archive download. This tactic is commonly used to bypass gateway security by encrypting the actual payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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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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 http://fincasotilloviejo.es/files/sotillo/_repo/file/7318280397.pdf In PDF document text
- https://deepankarbasu.com/FCKeditor/file/wumeritopigixedexifu.pdfIn PDF document text
- https://keongracun.org/contents//files/54278008774.pdfIn PDF document text
- https://myarchitect.es/ckfinder/userfiles/files/binonutod.pdfIn PDF document text
- http://iwaandccareunion.com/clients/57137/File/xofatunukurolijadezuj.pdfIn PDF document text
- http://monticellotownship.org/userfiles/file/79233056204.pdfIn PDF document text
- http://jkbprivateiti.com/userfiles/file/salitaden.pdfIn PDF document text
- https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/c1f64d0f8a99e76a95dffa7cd08880bb/70448693234.pdfIn PDF document text
- https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/pc5mk80fqatm75ldlotc6k50o5/bumilakiwofosevafosafilo.pdfIn PDF document text
- http://wych123.com/upload/files/mosopinenivolufi.pdfIn PDF document text
- http://ksnjl.com/userfiles/files/nikikesoxarodaxug.pdfIn PDF document text
- http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a460e624e74---67159033191.pdfIn PDF document text
- http://ctkupavna.ru/upload/file/46288921197.pdfIn PDF document text
- http://lab4050.com/upload/editor/file/lexipibofuv.pdfIn PDF document text
- http://aimic.com/userfiles/file/91153653109.pdfIn PDF document text
- http://spielundlicht.de/content_provider/documents/files/34814808191.pdfIn PDF document text
- https://pataniforum.com/admin/jquery/ckfinder/userfiles/files/zinojovirisa.pdfIn PDF document text
- http://kowel.com/ckfinder/userfiles/files/1628945450.pdfIn PDF document text
- http://stonebriarranch.com/clients/876969/File/73333615674.pdfIn PDF document text
- http://homeopathyhongkong.cn/files/18747469558.pdfIn PDF document text
- https://angem.fr/userfiles/file/xudomabufujetamajile.pdfIn PDF document text
- http://guides2alpes.fr/uploads/file/gixaxarewavevel.pdfIn PDF document text
- http://murphysbeads.com/clients/54316/File/86919132548.pdfIn PDF document text
- https://papersacksfactory.ae/images/bulk_images/files/90404756596.pdfIn PDF document text
- http://merwepizza.com/upload/file/98631684591.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=pdf+magnetismo+personalPDF 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_off0000c2d1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2D1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dae8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAE8 | 10840 bytes |
SHA-256: 2b2cfb881c9994e8626716d078441c76af8542d011c39a6f7f7ea96af6c48e78 |
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font_02_sfnt_off0000f3ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3AE | 17196 bytes |
SHA-256: d998d1452d1ff120717810858a5eefe630ed998e7f27061c8bf33a9c2a483ea3 |
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