MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress sites, suggesting it functions as a link farm designed to redirect users to malicious content. The document body, though heavily obfuscated, appears to be a lure related to 'Trane air conditioning error codes', likely to trick users into clicking the embedded links.
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://pistant.ru/uplcv?utm_term=trane+air+conditioning+error+codes PDF link annotation
- https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/11b4073441c87508d603441e3db0240f/javenus.pdfIn PDF document text
- https://bandotrading.com/uploads/file/30515212922.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/a72e02c9a09195b08166b1dfb04b0b09/92856771532.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a51f81158bc---moxatomusapotutu.pdfIn PDF document text
- https://www.scanworld.se/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbb827fbde---vazurosimaro.pdfIn PDF document text
- https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a34c4577338---duxipukupukabe.pdfIn PDF document text
- http://chanakyaaerospacedefence.com/userfiles/file/18768180843.pdfIn PDF document text
- https://fwullong.com/upfiles/editor/files/45218523268.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/e83bb706e77d9653d4c22d9bf593e6ea/polajuzaxoku.pdfIn PDF document text
- http://unesco-mediain.cz/fckfiles/file/82555412717.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160722aa0926ba---52993744638.pdfIn PDF document text
- https://adlinefor.com/home/webagen/public_html/korn/data/file/mulijo.pdfIn PDF document text
- http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607070919e586---fisef.pdfIn PDF document text
- https://lamaisonducoeur.ca/upload/editor/file/pakolikevogovegum.pdfIn PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/b1858f2598aa227ec21f9788af2f2e88/26522334777.pdfIn PDF document text
- https://lcd96.ru/wp-content/plugins/super-forms/uploads/php/files/32fb8f90d79fb79e2617b9701306ecfa/juzuzewidumugedijogeke.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_off0000daf3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAF3 | 5024 bytes |
SHA-256: 6a077e646c13a4d6e20456af07af221e56c2fab7b368f13f744e4579a803a2a9 |
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font_01_sfnt_off0000ec14.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC14 | 10444 bytes |
SHA-256: ee6998185f8c203d0d0f11c4c6553f374403268ad0d2cd1179fd80037e2f8926 |
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