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, specifically as a phishing trojan. It contains a large number of embedded URLs, many of which point to disposable domains and appear to be part of a link farm designed to redirect users. The presence of numerous links suggests an attempt to direct users to malicious sites for phishing or malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://thephinhmienbac.com/upload/files/jobawobufom.pdf In PDF document text
- https://netkat.in/ckfinder/userfiles/files/zojof.pdfIn PDF document text
- http://incense888.com/uploads/files/202109231601416739.pdfIn PDF document text
- http://buffagiuseppeinfissi.com/userfiles/files/wenabefesumovuwutafawelo.pdfIn PDF document text
- http://workcoop.org/fckeditor/userimages/file/20210919175042.pdfIn PDF document text
- http://blackhorsesc.pl/userfiles/file/40218349398.pdfIn PDF document text
- http://dakmoto.cz/obrazky/file/musipeb.pdfIn PDF document text
- http://www.fd.ntou.edu.tw/ckfinder/userfiles/files/kikalitetunugodijemudazo.pdfIn PDF document text
- http://bisenzia.it/userfiles/files/pebokapofuragekewolumawub.pdfIn PDF document text
- http://sentai.cc/data/file/20210920_210537_540.pdfIn PDF document text
- https://indobaliart.com/sitefiles/file/zodafupozipeb.pdfIn PDF document text
- http://gima.ge/admin/ckeditor/ckfinder/userfiles/files/39903893011.pdfIn PDF document text
- http://bajajsports.com/userfiles/file/xixanijozo.pdfIn PDF document text
- https://s-h.cc/uploads/files/202109160533517710.pdfIn PDF document text
- http://gpshardorawal.com/hemkunt/userfiles/file/89961285640.pdfIn PDF document text
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/a6hhn296bkmv24epm64lgo3ce8/rakobosepujepikubi.pdfIn PDF document text
- https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/3485377984.pdfIn PDF document text
- http://www.zaluziemalina.cz/userfiles/file/podujowivukisigap.pdfIn PDF document text
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/bb82f4d048e2c80a0019272f3368c48a/14069063218.pdfIn PDF document text
- https://autohausnschmidt.de/userfiles/file/nofanuwujusubinenedamel.pdfIn PDF document text
- http://zpkprzemysl.pl/ckfinder/userfiles/files/xawanezotemagulinezerul.pdfIn PDF document text
- http://grubstreet.ca/ckfinder/userfiles/files/87464101755.pdfIn PDF document text
- http://kstarsmall.net/userfiles/file///66793064527.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+hack+someone+insta+using+chromePDF 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_off0000b25e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB25E | 17232 bytes |
SHA-256: 367f891459e1987b5050d4908b665b65253da5f22a40f7dcb752a263563b3181 |
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font_01_sfnt_off0000de25.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE25 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f63c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF63C | 10900 bytes |
SHA-256: a441dd3d76b7193c966258f67bd09192324964b24e674303efe5da4089173128 |
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