MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, directing users to multiple compromised websites and disposable hosting domains, which is a common tactic for phishing or distributing further malware. The presence of numerous external URIs and the PDF_SEO_DISPOSABLE_LINK_FARM heuristic strongly support this attack pattern.
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://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/03ea53f4ab37e4b508e30fd5b9be7623/43775162544.pdf In PDF document text
- https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/dead1432c335abe838c609ae1c78f614/zopijiluxibizaruvarogupo.pdfIn PDF document text
- https://vandolderskb.com/images/usr/falelalimufazumisulin.pdfIn PDF document text
- http://df-2.de/images/daten/file/dudumiwixujerisopixiduduz.pdfIn PDF document text
- https://www.alpha-dynamics.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8902645d0---rixuxubupujiwalu.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ebf784e82e---buwatukojasuno.pdfIn PDF document text
- https://mmszke.hu/files/file/gevurimilubukivixaxa.pdfIn PDF document text
- http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/bjj21ln6dfun0i1dtd5jmdfo53/rikutawutiwabo.pdfIn PDF document text
- http://nicenpos.com/userData/board/file/12129192391.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985586dd4cd---40061603132.pdfIn PDF document text
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16091388fe92ea---xobojexuvipizifejuje.pdfIn PDF document text
- http://cnc-soustruzeni.cz/files/file/wipodutuvajudi.pdfIn PDF document text
- http://cephedanismani.com/images/pages/file/32702370208.pdfIn PDF document text
- http://flirtproducties.nl/ckfinder/userfiles/files/73865770962.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16081ef5b6a4e2---mixokasozerilofebabedaza.pdfIn PDF document text
- http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd12f2eddb---fewuresororilipi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=gta+inside+track+glitchPDF 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://scripts.sil.org/OFLIn 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_off0000f072.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF072 | 5296 bytes |
SHA-256: 3949c70210cdd8bb0161b3be544bc22f8eae0220de729d254b4e99cffb356f36 |
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font_01_sfnt_off00010275.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10275 | 11896 bytes |
SHA-256: 3354e6abaf9d4250ee2ba8f6ee3b811d5019ac7e1f8e87583dcdc8eea83d4cbc |
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font_02_sfnt_off00012a08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A08 | 17308 bytes |
SHA-256: 3c09e63637f78fe7142e40b93d43be34ef8d58a2677c2089fbbef4e1033d7579 |
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