MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF document was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. It contains numerous external URIs, including one that explicitly mentions "android phone updater software download", suggesting a lure to download malware. The presence of multiple disposable hosting links further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://smidgel.ru/uplcv?utm_term=android+phone+updater+software+download
- http://osteriadelcampanile.com/userfiles/files/72980923755.pdf
- https://bevasilicones.in/userfiles/file/17099425478.pdf
- http://ticaproduce.com/ckfinder/userfiles/files/42221820858.pdf
- http://brcassociati.com/userfiles/files/1228905150.pdf
- https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/e050d9ef28737801afdaf89965097fd1/ludisipewowonamifitexamoz.pdf
- http://incomingmakedonia.com/files/files/kovemugidugi.pdf
- http://jinwoosmc.com/userfiles/file/43256194430.pdf
- https://ipic.vn/userfiles/file/pekuxozevoda.pdf
- http://stoka-saarlouis.de/userfiles/file/misafigogo.pdf
- http://mutitar.com/user_img/files/mifupu.pdf
- https://cryptobasics.biz/uploads/files/lirepemosudafip.pdf
- http://www.letnifestiwal.pl/ckfinder/userfiles/files/35865866249.pdf
- https://gopherscopes.com/userfiles/file/73596508590.pdf
- http://www.louisefarmersmith.com/admin/ckeditor/ckfinder/userfiles/files/xakudepupawotiposuzawex.pdf
- http://forepic.com/_UploadFile/Images/file/85186975855.pdf
- http://fitviewer.info/files/file/37710176267.pdf
- http://vako.vn/app/webroot/uploads/files/43217402135.pdf
- https://gea99.com/ckfinder/userfiles/files/bekixogigo.pdf
- http://svsteinfurth.de/radsportfiles/file/78077221747.pdf
- http://infas.cz/images/wiswig/file/23443163629.pdf
- https://www.financedeclined.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613fe4a81c36f---71781460249.pdf
- http://tipiland.net/upload/file/jopepegerutebatuva.pdf
- http://hflbdq.com/uploads/file/111026305907.pdf
- http://waycreon.net/bhaskar/yii/upload/files/80358656578.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d72d.bine95b48bc558b6ae55cd93d7a88b354259d3e3e5a61c04ba5ac06118fce84e4de |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD72D | 10764 bytes |
font_01_sfnt_off0000eff2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF2 | 16792 bytes |
font_02_sfnt_off00010804.bin3675d3c76f9512359a1ed1639a6982948a01c8f204da3444c8e8ea380ec83b18 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10804 | 17180 bytes |
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