MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of embedded links, many of which point to external resources. One critical heuristic identified a link to known malicious redirector infrastructure. The document body, though heavily obfuscated, suggests a lure related to 'coordinate covalent bond examples pdf'. The presence of numerous links, including one to a malicious redirector, indicates an attempt to lead the user to malicious sites, likely for further exploitation or phishing.
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=coordinate+covalent+bond+examples+pdf
- http://files.esainhospitality.com/uploads/1/3/0/7/130775607/gedawuw.pdf
- http://files.usfncnw.org/uploads/1/3/1/6/131637953/9901056.pdf
- http://files.mizpah36.org/uploads/1/3/1/3/131379045/6624586.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://cdn.shopify.com/s/files/1/0431/9671/1069/files/45966317716.pdf
- https://cdn.shopify.com/s/files/1/0433/3423/8362/files/1915871414.pdf
- https://cdn.shopify.com/s/files/1/0435/1403/6376/files/zimomanuditavuvunifaxanu.pdf
- https://cdn.shopify.com/s/files/1/0430/4368/4503/files/zixemakomudakegove.pdf
- https://cdn.shopify.com/s/files/1/0431/5460/4198/files/zofufix.pdf
- https://cdn.shopify.com/s/files/1/0428/9282/0643/files/tukakogugiju.pdf
- https://cdn.shopify.com/s/files/1/0431/4185/7448/files/wamutunumilixajogetuwola.pdf
- https://cdn.shopify.com/s/files/1/0431/9569/5265/files/67089959679.pdf
- https://cdn.shopify.com/s/files/1/0434/6304/9376/files/16390701164.pdf
- https://cdn.shopify.com/s/files/1/0434/8765/8141/files/dimosagapekajujexomipi.pdf
- https://cdn.shopify.com/s/files/1/0433/0687/7080/files/wawufomujemozinabewa.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_off000076ef.bin932f393e271fcae877ff33b7710742e2243866c7bcbc27d6d7be9218eb2d5321 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x76EF | 5380 bytes |
font_01_sfnt_off00008923.binda09aaaa4fba790e95c0edd43df7da483403b1e65087b778186df409e6fe32b7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x8923 | 10208 bytes |
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