MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The ML classifier and ClamAV detection strongly indicate malicious intent. The presence of numerous external links, including one with a 'pc apk download windows 7' UTM term, suggests a lure for downloading potentially malicious software. The document also contains visual cues like a download button, reinforcing the deceptive nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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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://pistant.ru/uplcv?utm_term=pc+apk+download+windows+7 PDF link annotation
- https://legyenegyjonapod.hu/userfiles/files/rakarira.pdfIn PDF document text
- http://perevodvnegiloifond.ru/pict/file/86313319125.pdfIn PDF document text
- http://phrabat.net/UserFiles/File/47574546164.pdfIn PDF document text
- http://mixmarketing.vn/upload/fck/file/57876147357.pdfIn PDF document text
- http://duhochoangthanh.com/upload/files/xaluxefowimi.pdfIn PDF document text
- http://appextskihjthj.handysociality.com/upload/files/36993785300.pdfIn PDF document text
- https://anzhero-sudzhensk.verlauf-ekb.ru/admin/ckfinder/userfiles/files/94591375410.pdfIn PDF document text
- http://juha.be/_files/file/49622734128.pdfIn PDF document text
- https://eric-parnes.shortex.com/ckfinder/userfiles/files/samubilula.pdfIn PDF document text
- http://smenergy.kr/uploaded/file/1674449437613c66e8e8187.pdfIn PDF document text
- https://loyd.rs/images/file/86848493826.pdfIn PDF document text
- http://chinazzjx.com/d/files/jusukefevowab.pdfIn PDF document text
- http://abakus-routing.co.uk/ckfinder/userfiles/files/73914082350.pdfIn PDF document text
- https://hamayeshniroo.com/shop/file/gasavebogatowolujopudeze.pdfIn PDF document text
- http://npi-management.com/ressource/site-image/files/5527638361.pdfIn PDF document text
- http://www.prodomasa.com/ckfinder/userfiles/files/29605321844.pdfIn PDF document text
- https://xcheck.vn/uploads/userfiles/file/4749201152.pdfIn PDF document text
- http://horvathortho.hu/tmp/norito.pdfIn PDF document text
- https://cowik.pl/upload/97292292968.pdfIn PDF document text
- http://duszek-lasu.pl/userfiles/file/pekonuxikoluxilu.pdfIn PDF document text
- http://carsonpokebar.com/uploads/files/46960487075.pdfIn PDF document text
- https://best-of-geldanlagen.de/userfiles/file/21448972775.pdfIn PDF document text
- http://h04ydivan.ru/userfiles/file/42743417008.pdfIn PDF document text
- https://12tiga.com/contents/files/videtazoxurel.pdfIn PDF document text
- http://eggtesting.com/admin/uploads/file/badinafusapozopugujodebu.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_off0000e360.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE360 | 10404 bytes |
SHA-256: 7bacde483cd520b10247d5f048fdfb9beadf5d810875b9ba7c1ac64e57ff13a0 |
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font_01_sfnt_off0000fb27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011339.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11339 | 18396 bytes |
SHA-256: 5cd22b3b2c57947e262fb7d94da5cd15ea792198c15d153d1513f5bd1ecbda0f |
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