MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link to a known malicious redirector infrastructure, identified by the PDF_MALICIOUS_REDIRECTOR_LINK heuristic. The document body, though heavily obfuscated, contains text related to 'admission form' and a URL that aligns with the malicious redirector. The PDF_SEO_LINK_FARM heuristic indicates a large number of external links, suggesting a link farm for SEO manipulation or to distribute malicious content.
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.ru/pify?keyword=bethune+college+admission+form+2018-+19
- http://files.douglascornishwebsite.com/uploads/1/3/1/3/131384777/rumimomux-xegitizebif.pdf
- http://jutoweguj.laurabreaux.com/uploads/1/3/1/4/131437044/7882006.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0432/8197/3403/files/727666692.pdf
- https://cdn.shopify.com/s/files/1/0431/9540/0356/files/10433066596.pdf
- https://cdn.shopify.com/s/files/1/0428/2266/4348/files/gitugodu.pdf
- https://cdn.shopify.com/s/files/1/0429/3420/6631/files/23812154324.pdf
- https://cdn.shopify.com/s/files/1/0429/4557/7116/files/64894502594.pdf
- https://cdn.shopify.com/s/files/1/0428/9835/8432/files/dobemajafapurotexujebo.pdf
- https://cdn.shopify.com/s/files/1/0446/9247/1962/files/wall_chart_of_human_anatomy.pdf
- https://cdn.shopify.com/s/files/1/0441/2047/3752/files/duzajemakigidos.pdf
- https://cdn.shopify.com/s/files/1/0432/9465/4632/files/25749629261.pdf
- https://cdn.shopify.com/s/files/1/0439/3969/2699/files/88350593168.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000061fa.binda1c24d781e0c25727ea367fd39ec79629909e32aba0c7b00c61374028fc0e0e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x61FA | 6192 bytes |
font_01_sfnt_off000076e0.binb23be4528fe6d01f9e3474e11a1d8b7b7a6e852f9d8af4ac0afb59147fcf4a01 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76E0 | 10320 bytes |
font_02_sfnt_off00009a57.bin4bd16c8abd39118228c1571b0005d4eb3b3e943e572fd92a2a80cfcb7b749349 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x9A57 | 16164 bytes |
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