MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan threat. It contains numerous embedded URLs pointing to various domains, suggesting a link farm designed to redirect users to potentially harmful content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly supports this, indicating a deliberate attempt to create a large number of links on disposable hosting. No scripts were extracted, but the presence of external URIs and the link farm nature points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://coretry.ru/uplcv?utm_term=how+to+build+android+box PDF link annotation
- http://www.haztartasigepszakuzlet.hu/pics/file/13012146207.pdfIn PDF document text
- http://ladyvenus.it/userfiles/files/sasevuxerebaxitapik.pdfIn PDF document text
- http://askaudit.ru/price/94220487365.pdfIn PDF document text
- http://www.offshoreyachts.net/web_upload/editor/files/26342026282.pdfIn PDF document text
- http://modamoda.nl/uploads/pic_lib/file/xujap.pdfIn PDF document text
- http://bacsiha.com/public/ckfinder/userfiles/files/44067845050.pdfIn PDF document text
- http://melodylavernebettencourt.com/media/file/68709051367.pdfIn PDF document text
- http://skkouty.cz/ckfinder/userfiles/files/govabusagonoxufowef.pdfIn PDF document text
- http://retailcop.ca/files/peboduma.pdfIn PDF document text
- https://mexico-airport-transfers.com/ckfinder/userfiles/files/wejob.pdfIn PDF document text
- http://najlepsietorty.sk/uploads/fck/file/dofer.pdfIn PDF document text
- http://santeh.md/img/files/wawujedode.pdfIn PDF document text
- https://hinodecoder.com/userfiles/file/nerabixuwuvuvemawikolo.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d79b81a26---kifitenufifujagawikusa.pdfIn PDF document text
- http://synphabase.ch/upload/file/47550778349.pdfIn PDF document text
- https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/81827663121.pdfIn PDF document text
- http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16135c5312ca66---44069239004.pdfIn PDF document text
- http://www.moyekolodin.com/files/67960939049.pdfIn PDF document text
- http://www.ags-sib.ru/ckfinder/userfiles/files/31179549466.pdfIn PDF document text
- http://salt17.com/userfiles/files/67035173901.pdfIn PDF document text
- https://sentinels.ro/userfiles/file/pumorujatupaw.pdfIn PDF document text
- https://jamuiboe.com/webroot/upload_media/zobogawofodejikugog.pdfIn PDF document text
- http://mid-europe-ex.com/images/blog/file/52123824361.pdfIn PDF document text
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613e897dd266d---badizelexenapaxetofez.pdfIn PDF document text
- http://interel-rus.ru/test/sites/default/files/file/75564947741.pdfIn PDF document text
- http://webinaris.eu/ckfinder/userfiles/publics/files/90276602828.pdfIn PDF document text
- https://tekstilkentrehber.com/upload/ckfinder/files/lasazuririzebuwaled.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_off0000df84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF84 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f79b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF79B | 10360 bytes |
SHA-256: 22d7ce09afb33f2536cf2a7e03e2b64e03d482fa23a79163faeb1f03bf89de3f |
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font_02_sfnt_off00010f10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F10 | 18184 bytes |
SHA-256: dc500805b6668ef91df999ff74d9d8a324a714da22a4078588f55eaa1dd6799b |
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