MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to suspicious PDF files hosted on various domains, suggesting a link farm or redirection mechanism. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using many distinct, potentially disposable hosts to obscure the true malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://schodylux.pl/userfiles/file/94446958964.pdf In PDF document text
- http://oilspecchem.com/files/balaferipewodoxuju.pdfIn PDF document text
- http://pedraferro.com/files/files/gutujo.pdfIn PDF document text
- https://travellifeafrica.com/ci/userfiles/files/jimimonikiburanipuvumu.pdfIn PDF document text
- https://hophamthaibinh.com/upload/files/35001957981.pdfIn PDF document text
- https://bawaniint.com/ckfinder/userfiles/files/samifineta.pdfIn PDF document text
- http://abwlondonblvd.com/uploads/files/76021360218.pdfIn PDF document text
- http://tjsijiqing.com/ckfinder/userfiles/files/2021/0902/edce3aed96169e0f570d4da7af3f0337.pdfIn PDF document text
- http://bfcy88.com/uploads/files/zakup.pdfIn PDF document text
- http://kcntanduc.vn/img_duhoc/files/depipijoku.pdfIn PDF document text
- http://kayapaliinsaat.net/file/pigam.pdfIn PDF document text
- https://www.chablis-gautherin.com/ckfinder/userfiles/files/kaxolajimevekoxi.pdfIn PDF document text
- http://apsons.eu/files/file/46853709041.pdfIn PDF document text
- http://xn--m1age8bh.xn--p1ai/files/file/miwabowojaba.pdfIn PDF document text
- https://suma.ca/upload/editor/file/23004410852.pdfIn PDF document text
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613cf089f1457---bumenolodalu.pdfIn PDF document text
- http://rayanchem.com/d/files/binoku.pdfIn PDF document text
- http://autoscuolauniversale.it/userfiles/files/jojuluzojaxijesepeb.pdfIn PDF document text
- https://feltshoe.com/userfiles/file/25413328050.pdfIn PDF document text
- http://3dprofi.net/images/uploads/file/guvadotegabilotiludomina.pdfIn PDF document text
- http://tznjl.com/userfiles/files/puwafonebexofapoxex.pdfIn PDF document text
- https://tessuno.com/upload/files/613fea7f12cd8.pdfIn PDF document text
- http://www.keizerco.nl/userFiles/file/19859525852.pdfIn PDF document text
- http://thangmayedex.com/webroot/img/files/49576475509.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=once+upon+time+in+bihar+full+moviePDF 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_off0000e578.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE578 | 17788 bytes |
SHA-256: b70c5b775913b807523e2580f60c464fe9c18045ddb7a0e17e3d8d9840968124 |
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font_01_sfnt_off00011300.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11300 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012b17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B17 | 10908 bytes |
SHA-256: ec3bd0477a1a8aead981eab3295b79a8d13ea64650fced123f810b71392cccff |
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