MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was flagged by a machine learning classifier and ClamAV as malicious, indicating a high likelihood of malicious content. The presence of numerous external URIs, many pointing to disposable hosting and employing UTM parameters, suggests a link farm or redirection scheme designed to obscure the ultimate destination. The heuristic 'SE_DOWNLOAD_BUTTON' further supports the idea that the document is attempting to trick the user into downloading something.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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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 https://infrive.ru/uplcv?utm_term=traffic+fever+mod+apk PDF link annotation
- https://ckeditor.pamlskovnik.cz/ckfinder/userfiles/files/25094310585.pdfIn PDF document text
- http://galettedesrois.hu/userfiles/file/16490239523.pdfIn PDF document text
- https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/9afe0401f8aabcc78dd52efc39759af1/riwezenilebis.pdfIn PDF document text
- http://gps-ambroisie.com/ressource/site-image/files/34600342519.pdfIn PDF document text
- https://dermatologie-francophone.com/userfiles/file/laxefikuzajasuka.pdfIn PDF document text
- https://pomtco.com/technical/files/file/bigagulor.pdfIn PDF document text
- https://elmaga.lt/components/com_mijoshop/opencart/image/data/files/21457040200.pdfIn PDF document text
- http://automotiveenergy.cz/userfiles/file/vukekit.pdfIn PDF document text
- https://akproauto.com/nbloom/fckuploads/file/gotikefagubixebetuwevali.pdfIn PDF document text
- https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/d472400dda49ee96ec3164146215276a/15870528654.pdfIn PDF document text
- http://votava2.altrodesign.eu/ckfinder/userfiles/files/powikag.pdfIn PDF document text
- https://sharjahcements.com/images/bulk_images/files/noroteribopid.pdfIn PDF document text
- http://dominant.name/userfiles/file/15191596294.pdfIn PDF document text
- http://bernendorf.ru/userfiles/file/tajezatu.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202109060911364521.pdfIn PDF document text
- http://vaithun.net/upload/files/wimoj.pdfIn PDF document text
- http://toanthinh.vn/webroot/img/files/mabotoviwuxe.pdfIn PDF document text
- http://ginzaoakland.com/uploads/files/37008573293.pdfIn PDF document text
- http://www.jindatunnel.com/up_files/file/wosifirazozatavijonanoj.pdfIn PDF document text
- https://brincandoeaprendendo.com/fotosempresa/files/nokabexironadukuwatitox.pdfIn PDF document text
- http://peak-experience-japan.com/images/blog/file/47115981615.pdfIn PDF document text
- http://www.libroparlatolions.it/backoffice/ckfinder/userfiles/files/fitemo.pdfIn PDF document text
- http://etkenkalip.com/files/xaxawekanutarojebikururo.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_off0000c84b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC84B | 10484 bytes |
SHA-256: 5bd30f94ebf10e2a8ceca0b36fbb08bc6cfaa077d2d756376609d1cf4ca0981b |
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font_01_sfnt_off0000e028.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE028 | 19064 bytes |
SHA-256: 10ad9c353c0e1430d123ccdf039b077fee901cc722d3af3f3853c2227890a471 |
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font_02_sfnt_off00011200.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11200 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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