MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as a malicious PDF by multiple heuristics and a machine learning classifier. It contains numerous embedded URLs, with one specifically flagged as a link farm on disposable hosting. Although no executable scripts were extracted, the PDF structure and the presence of many unknown-reputation URLs suggest it is designed to redirect users to potentially harmful sites, aligning with phishing or malware delivery tactics.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
Heuristics 6
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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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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://pension-erlkoenig.de/img/editor/file/vapusivewalepovi.pdf In PDF document text
- http://yaan121.com/uploads/files/202109021131252120.pdfIn PDF document text
- http://cascad-trans.ru/files/zixada.pdfIn PDF document text
- http://sinoorchids.com/image/file/13003054819.pdfIn PDF document text
- http://krevue.cz/UserFiles/File/84278048823.pdfIn PDF document text
- http://elma-itc.ru/!upload/files/54928097153.pdfIn PDF document text
- http://www.pranabkumar.com/fckimages/file/zebixir.pdfIn PDF document text
- http://erodiertechnik-wenzel.de/userfiles/file/87824624828.pdfIn PDF document text
- http://imi.vc/upload/files/bavolalowenod.pdfIn PDF document text
- http://olivetheater.com/userData/board/file/nizunik.pdfIn PDF document text
- http://stoka-saarlouis.de/userfiles/file/jijojeduw.pdfIn PDF document text
- http://shippingengineering.com/files/ckeditorothers/45166841632.pdfIn PDF document text
- http://bukharageorgia.com/sites/default/files/file/vifozebofes.pdfIn PDF document text
- https://duel.pl/userfiles/file/96215298880.pdfIn PDF document text
- https://ontech.vn/images/ckeditor/files/65067599352.pdfIn PDF document text
- http://artattack-concerts.de/files/file/motavedajaviz.pdfIn PDF document text
- http://compie.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613838d964f89---83309452853.pdfIn PDF document text
- http://www.coverseg.com/uploads/ckfinder/files/3112255683.pdfIn PDF document text
- http://jump360.co/upload/files/20210901150918.pdfIn PDF document text
- http://majorpropertygroup.com/userfiles/files/95038130988.pdfIn PDF document text
- https://sharmtocairo.com/userfiles/files/notimewaduroge.pdfIn PDF document text
- https://sweetburden.com/upload/users/files/guzofaseteleko.pdfIn PDF document text
- https://sicurezzaips.it/uploads/file/loguj.pdfIn PDF document text
- https://study-abroad-travel.com/ckfinder/userfiles/file/fujibigaleputun.pdfIn PDF document text
- http://elturo.ru/img/upload/files/75863313047.pdfIn PDF document text
- http://www.kyousei-fukushi.or.jp/system/ckfinder/userfiles/files/64937666602.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=piano+music+go+2019+apkPDF 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_off0000d34e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD34E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000eb60.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB60 | 19456 bytes |
SHA-256: b4eadd4f610d35c57e0abe56483ca8b9c33e9c7559e857e25fb9b36bf0c10eaf |
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font_02_sfnt_off00011e3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E3A | 10996 bytes |
SHA-256: fb593a9b0ab5f38ffe032c8c98f4033b59714dffa0ea4e5da7b1ddf532e7f3a5 |
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