MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a link farm and a redirector URL, indicating an attempt to lead users to malicious content. The ML classifier strongly suggests malicious intent. While no scripts were extracted, the presence of a malicious redirector and the link farm points to a phishing or scam attempt, likely delivered as an attachment.
Machine Learning
- Nyx PDF Classifier malicious score 1.0000
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://ttraff.cc/pify?keyword=satyanarayana+biochemistry+textbook+pdf
- http://files.eloquentlearning.com/uploads/1/3/0/7/130775848/cc6dec7b91ea.pdf
- http://files.dtsmidisystems.com/uploads/1/3/0/7/130776275/6e7c2.pdf
- http://files.tigertechrobotics.org/uploads/1/3/1/3/131398076/9543016.pdf
- http://files.llanfairps.com/uploads/1/3/1/1/131163890/3452510.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0438/0285/3538/files/19135950080.pdf
- https://cdn.shopify.com/s/files/1/0429/0406/0071/files/ladixukegugafitidasikijeg.pdf
- https://cdn.shopify.com/s/files/1/0430/9729/2949/files/18722386847.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/telisupuf.pdf
- https://cdn.shopify.com/s/files/1/0435/3549/9418/files/3212296628.pdf
- https://cdn.shopify.com/s/files/1/0435/1541/2632/files/fesid.pdf
- https://cdn.shopify.com/s/files/1/0437/0428/7383/files/sakazesokawowonabofewov.pdf
- https://cdn.shopify.com/s/files/1/0431/4749/3536/files/26277194694.pdf
- https://cdn.shopify.com/s/files/1/0435/1960/6936/files/rekamovow.pdf
- https://cdn.shopify.com/s/files/1/0437/8935/3120/files/90113056025.pdf
- https://cdn.shopify.com/s/files/1/0430/8077/7882/files/54888361189.pdf
- https://cdn.shopify.com/s/files/1/0433/0035/6251/files/61997976913.pdf
- https://cdn.shopify.com/s/files/1/0434/7972/8281/files/74590607394.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000616b.bin696c6e27423d19dc9d7361d2bf90ab4f2bc7bc03588c9ed287352db5c6f96cc6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x616B | 5628 bytes |
font_01_sfnt_off0000745c.bin9187edf6a01e270dee92951b6dec775f1fcab68f93aa37826a1d2ad5fe3ec414 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x745C | 9712 bytes |
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