MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, characteristic of a link farm, with the initial URL suggesting a lure related to educational materials. The presence of a 'Download Button' heuristic and ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates malicious intent. The ML classifier also flagged this PDF with high confidence, supporting the assessment of a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://seumenha.ru/123?utm_term=ixl+maths+worksheets+for+grade+5 PDF link annotation
- https://cdn.sqhk.co/tisewesir/libifjg/sofeleb.pdfIn PDF document text
- https://cdn.sqhk.co/zedozomi/ibQgjtM/ey_tax_briefing.pdfIn PDF document text
- https://dipilewojariwu.weebly.com/uploads/1/3/2/8/132814651/savigizon-jimewufakobake-bajigom.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484835/normal_6029634a75f5b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416513/normal_6010c649a2911.pdfIn PDF document text
- http://lesoxagepisubaw.iblogger.org/notas_de_piano_para_principiantes.pdfIn PDF document text
- https://mumovukejepi.weebly.com/uploads/1/3/1/4/131483147/zasivam_donidifunev_sonurimavig_waxom.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451756/normal_6041d9a63189d.pdfIn PDF document text
- https://cdn.sqhk.co/savunowudob/ieejfhd/meme_soundboard_the_greatest_memes_of_2019.pdfIn PDF document text
- https://cdn.sqhk.co/zimofuzam/gg5Sjff/rc_helicopter_ar_mod_apk.pdfIn PDF document text
- http://jedusajinud.mygamesonline.org/mopimatojoriwasino.pdfIn PDF document text
- https://cdn.sqhk.co/redusebi/jjkmgdT/superhero_game_mod_apk_android_1.pdfIn PDF document text
- http://www.gcertificationcourse.com/exam/goIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a50dbba5-e4fd-40cc-afa9-a45495a5accf.filesusr.com/ugd/7f929b_65816307b9bc45dca3e0ed26311abc7b.pdf?index=trueIn PDF document text
- http://jawuwibunoropo.atwebpages.com/best_books_on_big_data_analytics.pdfIn PDF document text
- https://e3055f73-6236-423b-b810-4bc1a15f300f.filesusr.com/ugd/fa12d1_aaafb641767b497f8b4ce6e11eed0576.pdf?index=trueIn PDF document text
- https://cd9ed9ec-87d1-42be-9198-0b2de6c1db4d.filesusr.com/ugd/158fb9_6fe37dc44f2e49b292d574479631d602.pdf?index=trueIn PDF document text
- http://jatoxat.atwebpages.com/fufevovivupotitijeli.pdfIn PDF document text
- http://wipimemawupola.epizy.com/best_number_theory_books_for_imo.pdfIn PDF document text
- https://dd7ee03d-3646-4e01-a1e1-4c0a7e2c9e57.filesusr.com/ugd/d7ba0f_63ffdf4fe0de45edab710ef486558ae8.pdf?index=trueIn 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_off00012bb1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BB1 | 5604 bytes |
SHA-256: c5e56b57dd203b557e2dcdac8e6d5934241308b58a40ef0047f0e8792e5bc916 |
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font_01_sfnt_off00013eab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EAB | 11348 bytes |
SHA-256: 1dcc3f1bb47a9611c6f0c5338d1b5d1351eb7eb3f2e718979d82b2355eb43aed |
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