MALICIOUS
176
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many of which are hosted on compromised websites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The 'ML_NYX_PDF_MALICIOUS' and 'CLAMAV_DETECTION' heuristics confirm the malicious nature of the file, with ClamAV identifying it as 'Pdf.Phishing.Trojan'. The presence of PRC/3D content and duplicate object bodies are common PDF obfuscation techniques used to evade detection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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PRC/3D content in PDF medium PDF_PRC_3DPDF contains PRC 3D content. PRC/U3D parsers have been a recurring Adobe Reader attack surface; treat as a related parser-exploit indicator rather than a specific CVE match.
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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://crysiq.ru/uplcv?utm_term=download+apple+emoji+keyboard+for+android PDF link annotation
- http://n-production.com/upload/fckeditor/file/76826096359.pdfIn PDF document text
- https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613d119f58def---xulefufotusafa.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613e5dcb6cb96---53061254768.pdfIn PDF document text
- https://cebubigsellers.com/userfiles/file/23263848126.pdfIn PDF document text
- https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16132bfac65a4e---83404753405.pdfIn PDF document text
- https://themis-lex.com/userfiles/files/keregit.pdfIn PDF document text
- https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/3660ff796333a2e476969b37bbd95bab/84437250287.pdfIn PDF document text
- http://noxsun.com/jingkelun/userfiles/files/20210902015840.pdfIn PDF document text
- http://timebank.ru/sites/default/files/photos/pagefile/guvomazisefubijozibasu.pdfIn PDF document text
- http://www.detskaoptika.cz/ckfinder/userfiles/files/33607519208.pdfIn PDF document text
- http://gammatradings.com/userfiles/file/zamivuvopak.pdfIn PDF document text
- http://evergladesharvesting.com/ckfinder/userfiles/files/tusowamomodemisuduvalevar.pdfIn PDF document text
- https://mt-creativestudio.com/ckfinder/userfiles/files/60158833949.pdfIn PDF document text
- http://awfiowv.love-mrt.com/upload/files/nulobonedepamafanifuwot.pdfIn PDF document text
- http://resurrection-life.net/userfiles/files/zumesaparepubodinaxabum.pdfIn PDF document text
- http://copingconversations.com/userfiles/file/47071551264.pdfIn PDF document text
- http://smarttechsolutionukltd.com/uploaded_files/userfiles/files/85797328365.pdfIn PDF document text
- http://bradzo-ep.com/uploads/files/55257400115.pdfIn PDF document text
- http://gesundheit-im-blog.de/userfiles/file/zawesaxixemawimobogi.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/lesarasekese.pdfIn PDF document text
- http://eurolocal.info/sites/default/files/images/file/fodipepames.pdfIn PDF document text
- https://cncunse.com/d/files/jimolofopojapi.pdfIn PDF document text
- http://galerie45.com/userfiles/file/16580460492.pdfIn PDF document text
- http://mnwebdesign.dk/userfiles/file/3101910272.pdfIn PDF document text
- http://artvideo74.ru/upfiles/files/gujukafexid.pdfIn 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://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_off0000cb1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB1C | 17528 bytes |
SHA-256: 08f2db34c6460ecdc136ca36e3eff4cd1c1d1d10335432ac8ded45651685c82b |
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font_01_sfnt_off0000f864.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF864 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001107b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1107B | 10956 bytes |
SHA-256: 2385185be399a941c17e9957a3afeab532c19363f145859a77082b876568261f |
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