MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to other PDFs hosted on various domains, indicating a link farm designed to obscure the ultimate destination. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this is a malicious tactic. ClamAV detection and ML classification further support the malicious verdict. While no scripts were explicitly extracted, the structure and heuristics point towards a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://thaicockstar.com/ckfinder/userfiles/files/27197805826.pdf In PDF document text
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/467dd624b6518adff3213294dc399fb1/7114152575.pdfIn PDF document text
- http://klick-tipp.info/ckfinder/userfiles/publics/files/bewabikakabasaxolisipo.pdfIn PDF document text
- http://tech-sub.com/userfiles/file/bedukamudurekaguj.pdfIn PDF document text
- https://fisheaglesafaris.net/pics/user/file/88454471806.pdfIn PDF document text
- https://tavio.ru/files/file/54460063897.pdfIn PDF document text
- http://savalis.ru/userfiles/file/dozobebalalavujopefa.pdfIn PDF document text
- http://gfk-schwimmbad.de/i/File/lofewoziduvat.pdfIn PDF document text
- http://labellebeaute.com.hk/ckfinder/userfiles/files/titujori.pdfIn PDF document text
- https://rajakeempat.com/contents/files/zibito.pdfIn PDF document text
- http://kaies.net/upfiles/file/miloregurasazuvunisazos.pdfIn PDF document text
- http://hongshengfish.com/uploadfiles/2021090711060123709.pdfIn PDF document text
- http://chiesamadremarsala.eu/userfiles/files/6722786825.pdfIn PDF document text
- http://braciszewska-klimek.pl/fck_files/file/befinawelewazezewifivo.pdfIn PDF document text
- https://kingbakerypans.com/userfiles/file/pidef.pdfIn PDF document text
- https://dwitunggaljaya.com/sitefiles/file/47529626022.pdfIn PDF document text
- http://ipoz.pl/userfiles/file/24169127894.pdfIn PDF document text
- https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613230570efd3---20040755571.pdfIn PDF document text
- https://phatgiaolongan.com/upload/ckupload/files/73845533454.pdfIn PDF document text
- http://musicpark-live.de/userfiles/file/6009114993.pdfIn PDF document text
- http://reclameindex.nl/images/uploads/jijevepowenuwebo.pdfIn PDF document text
- http://goldartline.ua/userfiles/file/16890237903.pdfIn PDF document text
- http://vmkmsz.hu/userfiles/file/vizuloribalumodaguritawi.pdfIn PDF document text
- https://www.bussmann-tiefbau.de/ckfinder/userfiles/files/71459092506.pdfIn PDF document text
- https://vanphongphamhienluong.com/upload/files/firunofodemulijewetufa.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=sticky+notes+apk+for+pcPDF 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_off0000dfb2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB2 | 10708 bytes |
SHA-256: aa833f81e54c707f1dfb29529543c85794752d2f6f3608a72abf4c2f6433e8a2 |
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font_01_sfnt_off0000f871.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF871 | 18624 bytes |
SHA-256: 4aedd2d1511128a66b0653d546bd8da0624999f5fa46972cbb4cda7d355e36dd |
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font_02_sfnt_off000128bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128BF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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