MALICIOUS
136
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of links to external PDF files hosted on various domains, indicating a link farm or redirection scheme. The ML classifier strongly flagged this PDF as malicious. The document body, though heavily obfuscated, contains references to URLs that are part of this link farm, suggesting the document's primary purpose is to direct users to these external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://tiffinindia.ca/uploads/1/3/0/8/130814976/130814976.html#canon+in+d+chords+sheet+music PDF link annotation
- http://aocolum.se/uploads/1/3/0/7/130738566/jugomem.pdfIn PDF document text
- http://janibotanicals.com/uploads/1/3/1/8/131856257/1c066902.pdfIn PDF document text
- http://gotothaveitboutique.com/uploads/1/3/0/4/130435509/a092b623992368.pdfIn PDF document text
- http://campbell-france.com/uploads/1/3/0/6/130620627/4679721.pdfIn PDF document text
- http://mskenny.com/uploads/1/3/1/3/131384599/10364daaca.pdfIn PDF document text
- http://personalizedengravedcuttingboards.com/uploads/1/3/0/6/130639678/pexozoradofivif.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00004f64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x4F64 | 11720 bytes |
SHA-256: 327a33234813dca6767b2f6aaf24c1548e64bdb151f7502abf937b75e31b86f9 |
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