MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. The presence of numerous external URIs, many hosted on disposable domains and configured as link farms, strongly suggests a phishing or malware distribution campaign. The document body is heavily obfuscated, preventing analysis of its direct content, but the overall structure and heuristic firings indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
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://allytemp.ru/uplcv?utm_term=balancing+equations+worksheet+class+8 PDF link annotation
- https://ijtm.in/userfiles/file/kawirotusevi.pdfIn PDF document text
- http://www.heksan.com.pl/file/5673828193.pdfIn PDF document text
- https://charterfori.ir/basefile/charterforiir/files/40687715986.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/46414802577.pdfIn PDF document text
- http://libron.pl/fckupload/assets/file/58814754136.pdfIn PDF document text
- http://businesslegalgroup.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dipuraredere.pdfIn PDF document text
- http://seksdagen.nl/userfiles/file/xodukaxafobojusawuvip.pdfIn PDF document text
- http://mamolenasnc.it/userfiles/files/44866213194.pdfIn PDF document text
- http://aodaiminhhanh.com/app/webroot/uploads/files/41913117902.pdfIn PDF document text
- http://aodaiminhhanh.com/app/webroot/uploads/files/9882008415.pdfIn PDF document text
- https://balarampurblock.in/ckfinder/userfiles/files/kanofuwimuwomepej.pdfIn PDF document text
- http://musicincw.com/fckeditor/userfiles/image/75323852978.pdfIn PDF document text
- http://bkht.vn/userfiles/file/33655385748.pdfIn PDF document text
- http://kimwendelldesign.com/ckfinder/userfiles/files/51177135209.pdfIn PDF document text
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613075f954807---vivamorotekok.pdfIn PDF document text
- https://ap-qatar.com/userfiles/files/36614464650.pdfIn PDF document text
- http://beijingteye.com/upload/files/89078520254.pdfIn PDF document text
- http://sushimura1.com/uploads/files/ginizomot.pdfIn PDF document text
- http://orosweb.hu/ckfinder/userfiles/files/32329333908.pdfIn PDF document text
- http://lnianemarzenie.pl/userfiles/file/bawiveberufi.pdfIn PDF document text
- https://035620126.tw/upload/greenkitchen/files/zabarapinaruzozugu.pdfIn PDF document text
- http://szentdorottyapatika.hu/files/lozemegugexezerurakerameg.pdfIn PDF document text
- http://sensitiva.fi/UserFiles/File/fameturuwabutobogi.pdfIn PDF document text
- http://janjoling.com/public/ckfinder/userfiles/files/vevameropujovapeko.pdfIn PDF document text
- http://1-sanya.com/blog_images/blog_/file/80806032938.pdfIn PDF document text
- http://kukubara.com/zdjecia/file/14012533182.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_off0000be78.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE78 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d68a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD68A | 15680 bytes |
SHA-256: 0a5360da0cc40246cbb58576467763c1200ffa0489294e30e01022756d52049d |
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font_02_sfnt_off0000fddd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDDD | 11196 bytes |
SHA-256: 20b8e2e3ffc22e479623df6a4681a7d039cf640dc9f8244f8baf3bd86e76e968 |
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