MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm pointing to multiple websites, some of which appear to be compromised CMS uploads. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to open a password-protected archive, a common tactic to bypass gateway scanning. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 http://szpital-sulecin.pl/images/fckfiles/file/davalevopi.pdf
- http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/77nolnbj9bbl17kv7j3piufug5/nofibuxajavamubimova.pdf
- https://binarbaidfabrication.com/public_html/userfiles/file/liwexijeke.pdf
- http://conservationenergy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070f5d9ee114---37120319408.pdf
- https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608854c9cb473---fazivoburozabur.pdf
- https://nhathuydesign.com/wp-content/plugins/super-forms/uploads/php/files/faik04so8id2jvue76vt0p02th/sifusupizadiveroxurowisit.pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/4kqpmu9hrn27c82gg2cdf9epn3/98167264025.pdf
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/f9209e55235d1765e6a2c9b6b07b9c33/2985727951.pdf
- https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/krqpvcplr9sqm69tsgecbdvi9d/govil.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/j2l9udlgc65d659op6p16ql971/bugipojibonarigujoz.pdf
- http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16079900ae6338---5003859258.pdf
- https://www.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16082d26694a31---paxijez.pdf
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/1e12e3b82137eb609bfa1620759d5df9/dejevimidozi.pdf
- https://nowbali.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/1606c9b60d3443---57031840152.pdf
- https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/3ba4bdb0905e2584ccbb88dce2660727/metadoxagidolujirimum.pdf
- https://n95america.com/wp-content/plugins/super-forms/uploads/php/files/997d5818165e2b7678e961491d3ab61a/17406323133.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=manual+journey+2011+espa%25C3%25B1ol
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011ddd.bin5f46d8a0133df1bd630533193d091f74cdc1306ec14146e124b9ef7d1bd75b86 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11DDD | 5532 bytes |
font_01_sfnt_off0001308f.bindf95e079a26d38a5e36065ac3a1faf906c10b473173d1e46ed244158e6db8dab |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1308F | 1944 bytes |
font_02_sfnt_off000139da.bin5d368ef577d812475c567254f56a2d438aa66f15b9d03203a297a705fb4c5985 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x139DA | 12272 bytes |
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