MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The PDF contains numerous external links, with many pointing to unknown or potentially malicious domains, suggesting a phishing or malware distribution scheme. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a link farm designed to obscure the true destination.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 5
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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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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://jin-ji.com/upload/files/78352740741.pdf In PDF document text
- http://zsdbiopharm.com/upload/files/17697208881.pdfIn PDF document text
- http://annuaire-regional.com/ckfinder/userfiles/files/vetodudelaso.pdfIn PDF document text
- http://faradbox.pl/files/file/nupigitejuno.pdfIn PDF document text
- https://fier-forjat-valimet.ro/ckfinder/userfiles/files/97716426656.pdfIn PDF document text
- http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1613510ce1bbe2---fejubijavalagab.pdfIn PDF document text
- http://nexxstep.nl/userfiles/file/59814199758.pdfIn PDF document text
- http://zima.italie-ubytovani.cz/data/file/fenabowu.pdfIn PDF document text
- http://openendrep.com/userfiles/files/38319347897.pdfIn PDF document text
- http://rajasthanmetals.com/userfiles/file/54442665538.pdfIn PDF document text
- http://deborahkay.com/ckfinder/userfiles/files/77631889062.pdfIn PDF document text
- http://ahknchem.com/upload/files/57021965941.pdfIn PDF document text
- http://vincitydata.com/uploads/ckfinder/files/ragujevixo.pdfIn PDF document text
- http://jobsandhi.com/uploaded_files/userfiles/files/78563160647.pdfIn PDF document text
- https://lifesmart.ro/ckfinder/userfiles/files/medegolamoxagotimenedosek.pdfIn PDF document text
- https://bedandbreakfastholten.nl/userfiles/file/82621447060.pdfIn PDF document text
- http://baruraprotidin.com/assets/ckfinder/core/connector/php/uploads/files/zotoralab.pdfIn PDF document text
- https://blugarden.eu/file/nuvapilaxujugi.pdfIn PDF document text
- http://bona-agra.pl/Upload/file/31447870954.pdfIn PDF document text
- https://jatransfer.com/userfiles/file/50892021183.pdfIn PDF document text
- https://loyallcanada.ca/editor_files/file/kebikeberabunude.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613eecbf15c61---nizagovusaledowuwoliguli.pdfIn PDF document text
- http://xn--2-140-swe8h.xn--p1ai/files/xerunowowosasosojulorixo.pdfIn PDF document text
- http://eldorautomaticgates.com/UserFiles/file/xexizodagijamezitigik.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=great+minecraft+house+ideasPDF 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://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_off0000e551.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE551 | 16464 bytes |
SHA-256: c8f8267d32d8539e3c8dcadb76b00eb23007fca7058f959624d4b6a278f9eafc |
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font_01_sfnt_off00010f9c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F9C | 10832 bytes |
SHA-256: 1b5df55261ece6987ee9b1ca15f78a624251ffa26be05a7ee4486f184ab7069d |
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font_02_sfnt_off00012876.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12876 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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