MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded links pointing to various domains, many of which are identified as a link farm on disposable hosting. ClamAV and an ML classifier flagged this PDF as malicious, specifically as a phishing trojan. The presence of a download button lure and callback phishing indicators further support a malicious intent to trick the user into downloading a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://asid.rw/userfiles/file/vafakoj.pdf In PDF document text
- http://residencelesaline.it/userfiles/files/vukirivudoxe.pdfIn PDF document text
- https://best-of-geldanlagen.de/userfiles/file/28692928143.pdfIn PDF document text
- http://otestmanager.org/club/data/userfiles/file/20210903080452.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/dobuwikekivugijelexu.pdfIn PDF document text
- http://rnralpha.cz/res/file/digaseperenunuzolaxovoful.pdfIn PDF document text
- https://ev-owners.jp/userfiles/files/84704823159.pdfIn PDF document text
- http://tajilin.com/upload/files/13845048958.pdfIn PDF document text
- https://universitecentrale.net/uploads/FCK_files/file/wejetezebosusopu.pdfIn PDF document text
- https://arerp.kr/data/file///76683975191.pdfIn PDF document text
- http://erdbau-rauch.at/24511505525.pdfIn PDF document text
- http://lionsmarsala.it/userfiles/files/zibawiraniris.pdfIn PDF document text
- http://retco.ge/ckfinder/userfiles/files/zimomazutegeboniluzaxonal.pdfIn PDF document text
- https://mt-creativestudio.com/ckfinder/userfiles/files/lisunadubano.pdfIn PDF document text
- https://netiko.ge/img/Data/file/59093632710.pdfIn PDF document text
- https://alkathirilaw.com/userfiles/files/9012985193.pdfIn PDF document text
- https://nutricount.cz/UserFiles/File/42540323805.pdfIn PDF document text
- http://www.oomewatersport.nl/upload/files/84283132823.pdfIn PDF document text
- http://chinajessie.com/seadata/data/uploads/img/file/163117725368.pdfIn PDF document text
- https://caribemed.com/userfiles/file/jozogunonolijotebakigifu.pdfIn PDF document text
- http://shijijiaming.cn/filespath/files/20210912070851.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=shadow+fight+modded+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_off0000e20e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE20E | 17468 bytes |
SHA-256: 874583706fd8aebeda57d10259640ebf9d6ac7781b0c0d45f0757b504d97edef |
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font_01_sfnt_off00010f53.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F53 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001276a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1276A | 10780 bytes |
SHA-256: f03446ca84985294be22956030ff2f17308b52cc65acbe7c8bea38e1b6e6e81f |
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