MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link that redirects to a known malicious domain, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to academic papers and the malicious URL, suggesting a lure to trick users into clicking the link. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, likely to further distribute malicious content or engage in SEO manipulation.
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.com/pify?keyword=cbse+2020+sample+paper+class+10+pdf
- http://files.emilykearnsphotography.co.uk/uploads/1/3/1/4/131409037/f9cc9b7.pdf
- http://loliwa.marauderbots.com/uploads/1/3/1/3/131398455/faponuve.pdf
- http://files.fauxbelladesigns.com/uploads/1/3/0/8/130814172/bopitenamawibud.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/gevuruliwineda.pdf
- https://cdn.shopify.com/s/files/1/0429/6422/2101/files/saints_row_4_music.pdf
- https://cdn.shopify.com/s/files/1/0430/1992/7713/files/space_marine_codex_2015.pdf
- https://cdn.shopify.com/s/files/1/0434/1307/8174/files/76129631137.pdf
- https://cdn.shopify.com/s/files/1/0433/2670/1723/files/constitution_and_by_laws_of_ssg.pdf
- https://cdn.shopify.com/s/files/1/0427/9864/5404/files/24810282401.pdf
- https://cdn.shopify.com/s/files/1/0430/5541/5445/files/cambridge_english_first_fce_official_past_papers.pdf
- https://cdn.shopify.com/s/files/1/0432/4923/8178/files/86749918522.pdf
- https://cdn.shopify.com/s/files/1/0433/1556/0616/files/xujunilusamupo.pdf
- https://cdn.shopify.com/s/files/1/0434/1540/4695/files/63935350219.pdf
- https://cdn.shopify.com/s/files/1/0437/4154/4600/files/91797525530.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_off00006990.bin5235e47e7fec9294844fd7508d6c62aec0f1156ad8de0d19af6d2f4a7af4d045 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x6990 | 5672 bytes |
font_01_sfnt_off00007cc3.bin53f397210071e0be0e277ec7630ae434ca22ea5ff2b3880b0d4085630ce0de88 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x7CC3 | 9976 bytes |
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