MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external sites, many hosted on compromised WordPress installations, suggesting it functions as a link farm to distribute further malicious content. The document body, though heavily obfuscated, contains keywords related to 'viruses' and 'worksheet answers', indicating a social engineering lure.
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://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/oo5c2gt0g6us616tn6b29i6b63/visomabijijax.pdf In PDF document text
- https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/cddf992c053e618f546b6c670efaeda9/78886717694.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c163275312d---sagulewevokuwavema.pdfIn PDF document text
- http://youngshiny.com/userfiles/file/1622998125.pdfIn PDF document text
- https://digireg.nz/upload/49328824148.pdfIn PDF document text
- http://projectbudapest.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607cce861db86---91316599873.pdfIn PDF document text
- http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160982b6e1b080---lozekoxilepetavegufo.pdfIn PDF document text
- https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/c0be4d4b5910fc90d1c751c34a9f9aed/roxavoloxidal.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c22a287e7cb---4705402993.pdfIn PDF document text
- http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608753153528a---gofuj.pdfIn PDF document text
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/d78253261b331c5afdb218d6fde07c39/gevodazelabukonu.pdfIn PDF document text
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1608473a24cf22---wefugopejo.pdfIn PDF document text
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/9ff8babfb29cd9974f583f1ba6170202/40760577717.pdfIn PDF document text
- http://lushexperiences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160727b0cd7fdb---2954926812.pdfIn PDF document text
- http://netmutum.com/userfiles/file/dedaka.pdfIn PDF document text
- http://ruihuitax.com/files/file/dofopuzirevutowikokukokav.pdfIn PDF document text
- https://law.com.sg/wp-content/plugins/super-forms/uploads/php/files/c8776289f937794b3a4f2e12731f4af7/jukuxenifo.pdfIn PDF document text
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608157a9ba9b4---vatagibesazuxamujik.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/S30rS-6n6vg/uplcv?utm_term=viruses+reinforcement+worksheet+answersPDF 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
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f929.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF929 | 5208 bytes |
SHA-256: 2f389f4479f47559b7442b1ebead6f171aac29e61e02efb1aed6553de0629ffd |
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font_01_sfnt_off00010ad1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AD1 | 10804 bytes |
SHA-256: 76f61cf8715bc8916fd51cf8f548a97826d76deb53fe97e03fbfdf65f66cdd07 |
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