MALICIOUS
164
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, exhibiting characteristics of a phishing lure. It contains a link farm pointing to compromised WordPress sites, likely intended to host and distribute further malicious content. The document body, though heavily obfuscated, suggests a pretext of providing drivers, a common social engineering tactic to entice users to click on malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://coretry.ru/uplcv?utm_term=acer+n1996+motherboard+drivers+for+windows+7
- https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609c62ff283b3---66389595010.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/c08ce063fe235c36f822f3c1ddbf9af9/40926294379.pdf
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/39fea586903af9215c1a250bda5c975f/kuvoxefidepikuge.pdf
- https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/c9c59d962ae86c472f558cfa8005ec49/50573934726.pdf
- https://rosemonttherapy.health/wp-content/plugins/super-forms/uploads/php/files/qp3ibs501lq30umpu48qv0n91f/rodutamixirez.pdf
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607e19c23c32b---88556879841.pdf
- https://sevsport.info/wp-content/plugins/super-forms/uploads/php/files/7840dffb76f87722a46a86d2dd27ea28/94227489299.pdf
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/30863719b73ae33afa159850a3efa564/potidiwate.pdf
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/109b139437efdcdfbc1d14ac78def62b/63332462910.pdf
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a8481d89233---juriboxizukojimetabaser.pdf
- http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c88bb053a6---28112129703.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606c754fd2378---49511604644.pdf
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c73e6f0064---68942143273.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/16098412d05c2c---geperivuberi.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c182b28ca---xunuxebori.pdf
- http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16072cf2356ea8---zagivifedugunurazuzexofer.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d628.binb44b5b9bb67016c4b93653a919e459a89ce7d18049a78f233ae26ee74e0d10fe |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD628 | 5952 bytes |
font_01_sfnt_off0000ea5e.bin5204858f84e4d8e2745729d4c07a446392bc44abc0111b7b1a3644f049473434 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA5E | 10844 bytes |
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