MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains a large number of external links, many pointing to PDF files, suggesting a link farm or SEO spam tactic. The document body, though heavily obfuscated, contains keywords related to educational worksheets, likely serving as a lure to encourage users to click on the embedded malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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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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://kuzutuzo.ru/wix?keyword=emancipation+proclamation+worksheet+in+your+own+words
- https://static.s123-cdn-static.com/uploads/4369506/normal_5fde05f0c64ef.pdf
- https://nurosizakudagag.weebly.com/uploads/1/3/4/6/134699554/d183f.pdf
- https://cdn-cms.f-static.net/uploads/4420025/normal_6026ff33791f1.pdf
- https://gulufoge.weebly.com/uploads/1/3/0/7/130776817/596af.pdf
- https://cdn-cms.f-static.net/uploads/4489407/normal_60394eac285ab.pdf
- https://cdn-cms.f-static.net/uploads/4487903/normal_602420851af0d.pdf
- https://cdn-cms.f-static.net/uploads/4452398/normal_6036b9c30645f.pdf
- http://bugilinupapud.mygamesonline.org/lavorururuba.pdf
- https://cdn-cms.f-static.net/uploads/4451369/normal_60301724e1d9f.pdf
- http://fekowepiz.mywebcommunity.org/96693728123.pdf
- https://gubuwogufulero.weebly.com/uploads/1/3/4/6/134608521/6311458.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/sitozi/jakaxameluveb.pdf
- https://s3.amazonaws.com/wekibik/mofupenodekazowiredelogu.pdf
- https://s3.amazonaws.com/somamere/66966868515.pdf
- https://s3.amazonaws.com/zebarufuridorur/42911354673.pdf
- https://s3.amazonaws.com/sitozi/velefokapalesuvedosisibe.pdf
- https://s3.amazonaws.com/rupatojuko/29092174402.pdf
- https://s3.amazonaws.com/besafefaf/chhaila_bihari_song.pdf
- https://s3.amazonaws.com/befafuni/wilotarudajenojaxepek.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e999.bin26238ea9f2d016d63113f355d4c529580f6cd721aaacbceb42335aef8c79367b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE999 | 5528 bytes |
font_01_sfnt_off0000fc50.bincef85d068fce1e33084b00ad16c6d42bd9c1002527e97ab2171ee707aa863b58 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC50 | 10716 bytes |
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