MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous embedded URLs, many pointing to disposable domains or link farms, suggesting a phishing or malware distribution campaign. The document body, though heavily obfuscated, contains references to 'worksheet' and authoring tools, aligning with the heuristic that this PDF acts as a lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9748
Heuristics 4
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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 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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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://jottigo.ru/award?keyword=author%2527s+purpose+practice+worksheet+%25231 PDF link annotation
- https://cdn.sqhk.co/zudilubal/J9wUMgj/wallpaper_black_shark_hd_android.pdfIn PDF document text
- https://cdn.sqhk.co/tiwefuxab/eljfij3/pocket_ants_colony_simulator_wiki.pdfIn PDF document text
- http://ig-copyrightviolation.com/descargar_corel_photo_paintfv4k4.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4392861/normal_602b74c94c3f5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374542/normal_5fcdc252998db.pdfIn PDF document text
- http://komaxinatobofe.medianewsonline.com/no_game_no_life_manga.pdfIn PDF document text
- https://cdn.sqhk.co/senagoxosog/gemNjhR/50167105581.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382771/normal_6005afbb840aa.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4479454/normal_5fe08fa11edce.pdfIn PDF document text
- https://cdn.sqhk.co/kixagixupo/gIjbWgj/reminudorekofajesujutowin.pdfIn PDF document text
- http://wemuwetafivaxe.sportsontheweb.net/metodologia_dela_investigacion_cuantitativa_santa_palella.pdfIn PDF document text
- https://cdn.sqhk.co/jumifokujuje/ricidig/planet_warming_topic_of_concern_crossword.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477401/normal_600f44e0e2249.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://gozenabuzixi.onlinewebshop.net/dot_product_worksheet.pdfIn PDF document text
- https://s3.amazonaws.com/wisuw/ableton_live_10_suite_crack.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d0b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD0B0 | 4944 bytes |
SHA-256: 2dacfffff158c682a12c61f72d48baa625f9f50425401b9631801e7fa9e176c9 |
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