MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous external links, many of which point to other PDF files, suggesting a link farm designed to obscure malicious intent. The presence of a 'download button' heuristic and ClamAV detection as 'Pdf.Phishing.Trojan' strongly indicates a phishing or malware distribution attempt. While no scripts were explicitly extracted, the PDF structure and embedded URIs are indicative of malicious activity.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
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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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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://krisoc.ru/uplcv?utm_term=a+rainy+day+in+new+york+123movies PDF link annotation
- https://kaptenhoki.org/contents/files/rerelazufobob.pdfIn PDF document text
- http://whitesal.com/data/images/file/4052_20210901164519.pdfIn PDF document text
- http://rubensova16.cz/files/file/jinuwisoratijegize.pdfIn PDF document text
- http://stavo-bazar.cz/userfiles/file/20065510377.pdfIn PDF document text
- http://daiichilogistics.com/uploads/news_file/16401822126.pdfIn PDF document text
- https://eastoncn.housemember.com/uploads/files/32585328682.pdfIn PDF document text
- https://pemaboutiquehotel.com/assets/userfiles/files/49598862802.pdfIn PDF document text
- https://bunianco.com/other_files/File/konazisaxa.pdfIn PDF document text
- https://preprodpcb.com/userfiles/files/nutut.pdfIn PDF document text
- https://allcondosales.rodeodrivecondosale.com/userfiles/files/38274907458.pdfIn PDF document text
- https://foodexgida.com/uploads/files/99670016993.pdfIn PDF document text
- http://sculecuacumulator.ro/app/webroot/files/userfiles/files/rusewesorewexo.pdfIn PDF document text
- https://mimpiindah2.com/contents/files/vuzopujof.pdfIn PDF document text
- http://olguanaokulu.com/upload/file/futed.pdfIn PDF document text
- http://newgrids.com/userfiles/file/48373922812.pdfIn PDF document text
- http://soldearenales.com/galeria/files/54606246278.pdfIn PDF document text
- https://whatshoulditcostme.com/userfiles/file/jifarodiwubuferazex.pdfIn PDF document text
- http://rfaaa.com/UploadFile/file/20210901062119158.pdfIn PDF document text
- http://lenosada.sk/editor_uploads/files/paratolefagu.pdfIn PDF document text
- https://ymy-tea.tw/upload/files/6362272665.pdfIn PDF document text
- https://dmitrovka-zn.ru/admin/ckfinder/userfiles/files/wofaxo.pdfIn PDF document text
- https://tennis-samara.ru/img/file/sijulid.pdfIn PDF document text
- https://nasco-ye.com/uploads/file/42323502327.pdfIn PDF document text
- https://f27szerviz.hu/upload/files/depuset.pdfIn PDF document text
- http://trumoi-khutrung.com/upload/files/zufuda.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_off0000cca1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e4b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4B3 | 18432 bytes |
SHA-256: cd6aae805a8f9aaeb2c70edbf6861ba310c4663f0503cf3aa923bcd424656877 |
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font_02_sfnt_off00011559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11559 | 10948 bytes |
SHA-256: 3323203e8ba75d839cf265a1e0b4bdbae41d677af2a03dad5234e9fd12160edf |
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