MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating it's a link farm on disposable hosting. The embedded URLs, such as 'https://queure.ru/uplcv?utm_term=windows+7+home+premium+update+download', suggest a phishing or malware distribution lure, likely attempting to trick users into downloading a payload by posing as a software update. No scripts were extracted, but the PDF structure and external links are indicative of a phishing campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://queure.ru/uplcv?utm_term=windows+7+home+premium+update+download PDF link annotation
- http://salman-group.com/userfiles/file/97121813198.pdfIn PDF document text
- http://esipro.lu/userfiles/file/fomogepujujofofogobemeri.pdfIn PDF document text
- http://spreewaldpension-luebben.de/meineBilderAlbertGrundschule/file/nemopiwekafaj.pdfIn PDF document text
- https://cafemocion.com/userfiles/file/93792378626.pdfIn PDF document text
- http://haiqi-machine.com/d/files/lafipuramul.pdfIn PDF document text
- http://drukarnia-skawina.pl/app/webroot/media/files/86905536605.pdfIn PDF document text
- http://fotofolliasanlazzaro.it/userfiles/files/pudire.pdfIn PDF document text
- https://btegypt.com/file/kibosax.pdfIn PDF document text
- https://x-software.cz/data/file/15498850965.pdfIn PDF document text
- http://goldartline.ua/userfiles/file/dipuganuvozominofoxo.pdfIn PDF document text
- http://celyroknaterase.sk/editor_uploads/system/files/41944516888.pdfIn PDF document text
- http://mfcwestenkwartier.nl/beta/userfiles/file/xuxonimufozumideriporik.pdfIn PDF document text
- http://galluccifaibano.it/userfiles/file/tukedof.pdfIn PDF document text
- http://polenes.cl/userfiles/file/kivapokisisewevasuf.pdfIn PDF document text
- https://nppgursaraijhansi.in/ckfinder/userfiles/files/firoragagutegipikebobesi.pdfIn PDF document text
- https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/16142e610850c5---24224280546.pdfIn PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/b2c2d6964a5a45a77e54df66da3736ed/97183456944.pdfIn PDF document text
- http://kirakuramenandsushi.com/uploads/files/1959720372.pdfIn PDF document text
- http://195exim.com/datas/files/xekutaza.pdfIn PDF document text
- http://adbrf.com/files/fckeditor/file/68224219361444d65c425a.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/vuletofitotujibiwofa.pdfIn PDF document text
- http://almawred-sy.com/files/adminfiles/files/4175414689.pdfIn PDF document text
- http://queensparkview.com/image/upload/File/68018995015.pdfIn PDF document text
- https://pioneerlift.com/upfiles/editor/files/56090698438.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_off0000d4d7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4D7 | 10884 bytes |
SHA-256: 06c058d666cfa585bf848e07984ec00d33eb81411e035eaac9c7631d68eaadbe |
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font_01_sfnt_off0000ede2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE2 | 18280 bytes |
SHA-256: 299588465ac29cc9b5afad3eb169b36d6cf74388e5dc3087536bfbbaff1ba7cf |
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font_02_sfnt_off00011cbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11CBE | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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