MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF identified as malicious by ML classifiers and ClamAV. It contains numerous embedded URLs, many of which are part of a link farm hosted on disposable domains, a common tactic for phishing or distributing further malware. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly indicates this malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URIs suggest it's designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9849
Heuristics 5
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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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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://laborke.ru/uplcv?utm_term=viva+video+app+for+pc+windows+10+free+download PDF link annotation
- https://laser123.com/geektic/files/9074167685.pdfIn PDF document text
- http://foxgraphics.paulsfashion.in/files/terafutekemikixafex.pdfIn PDF document text
- http://andrenickels.de/ckfinder/userfiles/files/35256430051.pdfIn PDF document text
- http://barexkft.hu/userfiles/file/rajotewalofagatuxaku.pdfIn PDF document text
- https://sport-jicin.cz/dokumenty/34589557979.pdfIn PDF document text
- http://djk-winkel.de/images/uploads/file/sidijumusigebipakepesep.pdfIn PDF document text
- http://thietbikhachsanvinhhung1.com/upload/files/4614595396.pdfIn PDF document text
- http://www.santamyoga.be/images/file/talatemem.pdfIn PDF document text
- http://tbvshungviet.com/upload/files/vasoniji.pdfIn PDF document text
- http://www.nbc.com.vn/ckfinder/userfiles/files/rudozevimagedofoxigi.pdfIn PDF document text
- https://tomas-music.com/contents/files/61035112399.pdfIn PDF document text
- http://kxzyjy.com/CKEdit/upload/files/rofinozegikamaxoxuxoja.pdfIn PDF document text
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/un88cdl1trc8v0co1a43msvu15/37677299806.pdfIn PDF document text
- http://codienlanhtrangia.com/Images_upload/files/74250220195.pdfIn PDF document text
- http://ke-sen.com/userfiles/file/1631401534.pdfIn PDF document text
- https://securitydm.net/slicice/file/zobezitupu.pdfIn PDF document text
- http://szjg.hu/images/file/xuzupumosufomesovifozafe.pdfIn PDF document text
- http://musicincw.com/fckeditor/userfiles/image/43704712095.pdfIn PDF document text
- http://runwellconsulting.com/file/file/34894596690.pdfIn PDF document text
- http://nofatrans-int.com/userfiles/file/27139890210.pdfIn PDF document text
- http://nfc-lampang.com/user_img/files/47753236525.pdfIn PDF document text
- http://phoiinnhiet.com/images/uploads/files/zuwuk.pdfIn PDF document text
- http://cjmfgx.morefriendship.com/upload/files/92523276617.pdfIn PDF document text
- https://thietbivesinhanhhuy.com/asset/files/kuregopukupoza.pdfIn PDF document text
- https://asiahealthcaredentalcentre.com/ckfinder/userfiles/files/83059749463.pdfIn PDF document text
- https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/0e6c7cfae60875ce4feee8c91582a81e/wazetedekalevonat.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_off0000b116.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB116 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000c92d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC92D | 10808 bytes |
SHA-256: a92ab2effded5348897014f9a82246162523608d283f493bd2c6c1cfea89111d |
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font_02_sfnt_off0000e241.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE241 | 16164 bytes |
SHA-256: 6e93d00b5cac806a561d5e985686cf0a3b7a65cf20095f8fb17a18de533f66e7 |
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