MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous external URLs, many of which are hosted on disposable domains and appear to be part of a link farm, indicating a likely phishing or malware distribution scheme. The PDF structure and embedded URLs suggest an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://cructi.ru/uplcv?utm_term=e+flat+major+chord+guitar
- http://hpworld.hu/data/pic/Image/file/76058982849.pdf
- http://studiolauramoschini.it/userfiles/files/8977137963.pdf
- http://hanabi-la.com/uploads/files/tumiwudot.pdf
- https://ibextrail.com/editor-images/90698468800.pdf
- https://v-rshine.com/upload/images/files/puvuwosow.pdf
- http://reklama-v-sochi.com/ckfinder/userfiles/files/sesawul.pdf
- https://ryokanclub.com/FileData/ckfinder/files/20210909_F35361D4C430EE82.pdf
- http://bachova-terapia.sk/images/file/38475662189.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161325d3d7fcec---70649366040.pdf
- https://emilline.dk/ckfinder/userfiles/files/8901691597.pdf
- https://aarhuskortet.dk/images/file/27959224279.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613034377289e---nesotak.pdf
- http://architettoannalisatinelli.it/userfiles/files/tuwabogomopewumevirosej.pdf
- https://dorfadvertising.com/ckfinder/userfiles/files/favidijusemulazorijadis.pdf
- https://gastriklandsbf.se/UserFiles/files/67791869553.pdf
- https://khachsan295doson.vn/namthuan/images/news/files/70266978591.pdf
- http://jedwines.com/cmsCart/upload/file/guladuzitagumovapip.pdf
- http://bluelakehomestay.com/uploads/image/files/25276915053.pdf
- http://thietbikhachsanvinhhung1.com/upload/files/nirodululedadan.pdf
- http://ud2-140.com/files/tosexavew.pdf
- http://qkmedica.com/uploads/userfiles/file/xekelamutafenivofe.pdf
- https://maryamghiasi.com/images/upload/files/85507273103.pdf
- http://ty-int.com/files/files/fusexalabiz.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_off0000b30f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB30F | 16792 bytes |
font_01_sfnt_off0000cb26.binafd9bac955b6a740bd92f16d1bfbaf31eec228204b6faaaebd7be5e4f294e077 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB26 | 10732 bytes |
font_02_sfnt_off0000e37f.bina869d6d2d099c1ec724814efcbd96e40326f62657afeb9b920f16529b128bca3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE37F | 15208 bytes |
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