MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to domains that appear to be part of a link farm designed to obscure the final destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests a malicious intent to redirect users through multiple domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9971
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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 http://xn--h49al71atridzo.com/userData/board/file/duvilinegikujuza.pdf In PDF document text
- http://ktai.lmg.jp/upload/file/kafexalux.pdfIn PDF document text
- http://fge-service.com/userfiles/file/78762252819.pdfIn PDF document text
- http://www.sec-ollivier-associes.fr/www/upload/file/tafolagulavujijujor.pdfIn PDF document text
- http://teplorium.su/userfiles/file/mivaxeritaven.pdfIn PDF document text
- http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6e6b8ef74---kimogopasejinezu.pdfIn PDF document text
- http://cycling-software.com/files/file/70203873879.pdfIn PDF document text
- http://narzedziascierne.eu/Upload/file/62043313793.pdfIn PDF document text
- http://ok-poland.com/userfiles/file/tixopomiwukekirur.pdfIn PDF document text
- http://emailreceptionist.net/userfiles/file/lakamudipitapagikijesevu.pdfIn PDF document text
- http://savemaxint.com/files/file/fifiketogenobofogofepif.pdfIn PDF document text
- http://nuuts.mn/uploads/assets/misubagikizaguleni.pdfIn PDF document text
- http://conniecorsentino.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/siridujujaditukugo.pdfIn PDF document text
- https://gikguamerica.com/userfiles/file/21249077130.pdfIn PDF document text
- http://www.mousumibanerjee.com/fckimages/file/modupozepuxizamejuwusuv.pdfIn PDF document text
- http://pkpneu.cz/userfiles/file/41506799971.pdfIn PDF document text
- http://aydinservis.com/ckfinder/userfiles/files/78589100629.pdfIn PDF document text
- https://essaidafm.com/uploads/FCK_files/file/75616443463.pdfIn PDF document text
- https://santa.my/images/users/00000000/files/wagizoxebefasatew.pdfIn PDF document text
- http://sumisaedu.com/FileData/ckfinder/files/20210902_486A8BDC71E50CDD.pdfIn PDF document text
- http://pcwenhua.com/uploadimg/file/16311351721472409632.pdfIn PDF document text
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136aa4cb55a3---81183614429.pdfIn PDF document text
- https://zohopinler.com/calisma2/files/uploads/80039933453.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=watch+holiday+baking+championship+season+7+online+freePDF 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_off0000f9db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9DB | 17488 bytes |
SHA-256: 53b46de1f5ac9b8ea56825ed1ad0cb442e22965166195a1924d2b607dc8b45d9 |
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font_01_sfnt_off0001278b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1278B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00013fa2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FA2 | 11456 bytes |
SHA-256: d92358850bed6627f9a1dda2ca6ce40de6a8afb1b1b122640a3af4fc26ecaace |
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