MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs pointing to a link farm, suggesting a tactic to manipulate search engine results or distribute further malicious content. The presence of a disposable link farm heuristic further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9885
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 http://tythb.cn/uploadfile/files/8186026852.pdf In PDF document text
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/79804101352.pdfIn PDF document text
- https://hkki.org/userfiles/files/zedesun.pdfIn PDF document text
- https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614a11f37ac9f---zapemamametekunuxirofiwok.pdfIn PDF document text
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16148a47563a76---verodugel.pdfIn PDF document text
- http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/21632569808.pdfIn PDF document text
- http://tgtech-auto.com/userfiles/file/fixatevilokiwobijubupo.pdfIn PDF document text
- http://fjzy18.com/image/uload/files/bosemo.pdfIn PDF document text
- http://www.urbanwaterways.info/files/muwodilamefaraxi.pdfIn PDF document text
- http://www.psychophonie-tarbes.com/ckfinder/userfiles/files/27379735414.pdfIn PDF document text
- https://ceccardolj.ro/userfiles/file/pavavowivomodidisekato.pdfIn PDF document text
- https://www.hkha.com.hk/ckfinder/userfiles/files/20598940745.pdfIn PDF document text
- https://businesslife.com/content/file/6592214480.pdfIn PDF document text
- http://gesgo.de/userfiles/file/seweruvibipek.pdfIn PDF document text
- https://infrastone.com/userfiles/files/61092615768.pdfIn PDF document text
- https://sportsht.com/userfiles/file/93110763032.pdfIn PDF document text
- https://kaimano.it/file/wagafakawumofi.pdfIn PDF document text
- http://epmachine.ru/d/files/perotipepikozifivuluxaja.pdfIn PDF document text
- https://topupdana.com/contents/files/sijipodedefekezomukodata.pdfIn PDF document text
- https://warsztatgdynia.pl/app/webroot/media/files/70699978365.pdfIn PDF document text
- http://tsraccountants.nl/mailing/images/photo/file/badetiwaximonotipibajuvub.pdfIn PDF document text
- https://sushixusa.com/userfiles/files/89288050820.pdfIn PDF document text
- http://x-site.by/upload/editor/files/64710701018.pdfIn PDF document text
- http://urgentcarepb.com/userfiles/file/53985492683.pdfIn PDF document text
- https://xn--atpta-nfb.lv/images/userfiles/files/25341799779.pdfIn PDF document text
- https://vico-domrep.com/ckfinder/userfiles/files/sowunebu.pdfIn PDF document text
- http://ventmetal.ru/userfiles/files/31489948646.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=gta+v+mobile+online+playPDF link annotation
- 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_off0000b2f5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2F5 | 16644 bytes |
SHA-256: 427cbb3b454ff30a72e7ed429e2e6891055b5090223413276f774c1b34e2f663 |
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font_01_sfnt_off0000dd48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD48 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f55f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF55F | 10504 bytes |
SHA-256: 6ef4b3ddb0b0750676a1ab68cb15fcf5a0ebe0f87a24371622d7e456f16c7361 |
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